diff --git a/lib/sidekiq/client.rb b/lib/sidekiq/client.rb
index a9de8f32..ef72bdba 100644
--- a/lib/sidekiq/client.rb
+++ b/lib/sidekiq/client.rb
@@ -4,133 +4,135 @@ require 'sidekiq/middleware/chain'
 
 module Sidekiq
   class Client
+    class << self
 
-    def self.default_middleware
-      Middleware::Chain.new do
-      end
-    end
-
-    def self.registered_workers
-      Sidekiq.redis { |x| x.smembers('workers') }
-    end
-
-    def self.registered_queues
-      Sidekiq.redis { |x| x.smembers('queues') }
-    end
-
-    ##
-    # The main method used to push a job to Redis.  Accepts a number of options:
-    #
-    #   queue - the named queue to use, default 'default'
-    #   class - the worker class to call, required
-    #   args - an array of simple arguments to the perform method, must be JSON-serializable
-    #   retry - whether to retry this job if it fails, true or false, default true
-    #   backtrace - whether to save any error backtrace, default false
-    #
-    # All options must be strings, not symbols.  NB: because we are serializing to JSON, all
-    # symbols in 'args' will be converted to strings.
-    #
-    # Returns nil if not pushed to Redis or a unique Job ID if pushed.
-    #
-    # Example:
-    #   Sidekiq::Client.push('queue' => 'my_queue', 'class' => MyWorker, 'args' => ['foo', 1, :bat => 'bar'])
-    #
-    def self.push(item)
-      normed = normalize_item(item)
-      normed, payload = process_single(item['class'], normed)
-
-      pushed = false
-      pushed = raw_push(normed, payload) if normed
-      pushed ? normed['jid'] : nil
-    end
-
-    ##
-    # Push a large number of jobs to Redis.  In practice this method is only
-    # useful if you are pushing tens of thousands of jobs or more.  This method
-    # basically cuts down on the redis round trip latency.
-    #
-    # Takes the same arguments as Client.push except that args is expected to be
-    # an Array of Arrays.  All other keys are duplicated for each job.  Each job
-    # is run through the client middleware pipeline and each job gets its own Job ID
-    # as normal.
-    #
-    # Returns the number of jobs pushed or nil if the pushed failed.  The number of jobs
-    # pushed can be less than the number given if the middleware stopped processing for one
-    # or more jobs.
-    def self.push_bulk(items)
-      normed = normalize_item(items)
-      payloads = items['args'].map do |args|
-        _, payload = process_single(items['class'], normed.merge('args' => args, 'jid' => SecureRandom.hex(12)))
-        payload
-      end.compact
-
-      pushed = raw_push(normed, payloads)
-      pushed ? payloads.size : nil
-    end
-
-    # Resque compatibility helpers.
-    #
-    # Example usage:
-    #   Sidekiq::Client.enqueue(MyWorker, 'foo', 1, :bat => 'bar')
-    #
-    # Messages are enqueued to the 'default' queue.
-    #
-    def self.enqueue(klass, *args)
-      klass.client_push('class' => klass, 'args' => args)
-    end
-
-    # Example usage:
-    #   Sidekiq::Client.enqueue_to(:queue_name, MyWorker, 'foo', 1, :bat => 'bar')
-    #
-    def self.enqueue_to(queue, klass, *args)
-      klass.client_push('queue' => queue, 'class' => klass, 'args' => args)
-    end
-
-    private
-
-    def self.raw_push(normed, payload) # :nodoc:
-      pushed = false
-      Sidekiq.redis do |conn|
-        if normed['at'] && payload.is_a?(Array)
-          pushed = conn.zadd('schedule', payload.map {|hash| [normed['at'].to_s, hash]})
-        elsif normed['at']
-          pushed = conn.zadd('schedule', normed['at'].to_s, payload)
-        else
-          _, pushed = conn.multi do
-            conn.sadd('queues', normed['queue'])
-            conn.lpush("queue:#{normed['queue']}", payload)
-          end
+      def default_middleware
+        Middleware::Chain.new do
         end
       end
-      pushed
-    end
 
-    def self.process_single(worker_class, item)
-      queue = item['queue']
-
-      Sidekiq.client_middleware.invoke(worker_class, item, queue) do
-        payload = Sidekiq.dump_json(item)
-        return item, payload
-      end
-    end
-
-    def self.normalize_item(item)
-      raise(ArgumentError, "Message must be a Hash of the form: { 'class' => SomeWorker, 'args' => ['bob', 1, :foo => 'bar'] }") unless item.is_a?(Hash)
-      raise(ArgumentError, "Message must include a class and set of arguments: #{item.inspect}") if !item['class'] || !item['args']
-      raise(ArgumentError, "Message args must be an Array") unless item['args'].is_a?(Array)
-      raise(ArgumentError, "Message class must be either a Class or String representation of the class name") unless item['class'].is_a?(Class) || item['class'].is_a?(String)
-
-      if item['class'].is_a?(Class)
-        raise(ArgumentError, "Message must include a Sidekiq::Worker class, not class name: #{item['class'].ancestors.inspect}") if !item['class'].respond_to?('get_sidekiq_options')
-        normalized_item = item['class'].get_sidekiq_options.merge(item)
-        normalized_item['class'] = normalized_item['class'].to_s
-      else
-        normalized_item = Sidekiq::Worker::ClassMethods::DEFAULT_OPTIONS.merge(item)
+      def registered_workers
+        Sidekiq.redis { |x| x.smembers('workers') }
       end
 
-      normalized_item['jid'] = SecureRandom.hex(12)
-      normalized_item
-    end
+      def registered_queues
+        Sidekiq.redis { |x| x.smembers('queues') }
+      end
 
+      ##
+      # The main method used to push a job to Redis.  Accepts a number of options:
+      #
+      #   queue - the named queue to use, default 'default'
+      #   class - the worker class to call, required
+      #   args - an array of simple arguments to the perform method, must be JSON-serializable
+      #   retry - whether to retry this job if it fails, true or false, default true
+      #   backtrace - whether to save any error backtrace, default false
+      #
+      # All options must be strings, not symbols.  NB: because we are serializing to JSON, all
+      # symbols in 'args' will be converted to strings.
+      #
+      # Returns nil if not pushed to Redis or a unique Job ID if pushed.
+      #
+      # Example:
+      #   Sidekiq::Client.push('queue' => 'my_queue', 'class' => MyWorker, 'args' => ['foo', 1, :bat => 'bar'])
+      #
+      def push(item)
+        normed = normalize_item(item)
+        payload = process_single(item['class'], normed)
+
+        pushed = false
+        pushed = raw_push([payload]) if payload
+        pushed ? payload['jid'] : nil
+      end
+
+      ##
+      # Push a large number of jobs to Redis.  In practice this method is only
+      # useful if you are pushing tens of thousands of jobs or more.  This method
+      # basically cuts down on the redis round trip latency.
+      #
+      # Takes the same arguments as Client.push except that args is expected to be
+      # an Array of Arrays.  All other keys are duplicated for each job.  Each job
+      # is run through the client middleware pipeline and each job gets its own Job ID
+      # as normal.
+      #
+      # Returns the number of jobs pushed or nil if the pushed failed.  The number of jobs
+      # pushed can be less than the number given if the middleware stopped processing for one
+      # or more jobs.
+      def push_bulk(items)
+        normed = normalize_item(items)
+        payloads = items['args'].map do |args|
+          raise ArgumentError, "Bulk arguments must be an Array of Arrays: [[1], [2]]" if !args.is_a?(Array)
+          process_single(items['class'], normed.merge('args' => args, 'jid' => SecureRandom.hex(12)))
+        end.compact
+
+        pushed = false
+        pushed = raw_push(payloads) if !payloads.empty?
+        pushed ? payloads.size : nil
+      end
+
+      # Resque compatibility helpers.
+      #
+      # Example usage:
+      #   Sidekiq::Client.enqueue(MyWorker, 'foo', 1, :bat => 'bar')
+      #
+      # Messages are enqueued to the 'default' queue.
+      #
+      def enqueue(klass, *args)
+        klass.client_push('class' => klass, 'args' => args)
+      end
+
+      # Example usage:
+      #   Sidekiq::Client.enqueue_to(:queue_name, MyWorker, 'foo', 1, :bat => 'bar')
+      #
+      def enqueue_to(queue, klass, *args)
+        klass.client_push('queue' => queue, 'class' => klass, 'args' => args)
+      end
+
+      private
+
+      def raw_push(payloads)
+        pushed = false
+        Sidekiq.redis do |conn|
+          if payloads.first['at']
+            pushed = conn.zadd('schedule', payloads.map {|hash| [hash['at'].to_s, Sidekiq.dump_json(hash)]})
+          else
+            q = payloads.first['queue']
+            to_push = payloads.map { |entry| Sidekiq.dump_json(entry) }
+            _, pushed = conn.multi do
+              conn.sadd('queues', q)
+              conn.lpush("queue:#{q}", to_push)
+            end
+          end
+        end
+        pushed
+      end
+
+      def process_single(worker_class, item)
+        queue = item['queue']
+
+        Sidekiq.client_middleware.invoke(worker_class, item, queue) do
+          item
+        end
+      end
+
+      def normalize_item(item)
+        raise(ArgumentError, "Message must be a Hash of the form: { 'class' => SomeWorker, 'args' => ['bob', 1, :foo => 'bar'] }") unless item.is_a?(Hash)
+        raise(ArgumentError, "Message must include a class and set of arguments: #{item.inspect}") if !item['class'] || !item['args']
+        raise(ArgumentError, "Message args must be an Array") unless item['args'].is_a?(Array)
+        raise(ArgumentError, "Message class must be either a Class or String representation of the class name") unless item['class'].is_a?(Class) || item['class'].is_a?(String)
+
+        if item['class'].is_a?(Class)
+          raise(ArgumentError, "Message must include a Sidekiq::Worker class, not class name: #{item['class'].ancestors.inspect}") if !item['class'].respond_to?('get_sidekiq_options')
+          normalized_item = item['class'].get_sidekiq_options.merge(item)
+          normalized_item['class'] = normalized_item['class'].to_s
+        else
+          normalized_item = Sidekiq::Worker::ClassMethods::DEFAULT_OPTIONS.merge(item)
+        end
+
+        normalized_item['jid'] = SecureRandom.hex(12)
+        normalized_item
+      end
+
+    end
   end
 end
diff --git a/lib/sidekiq/testing/inline.rb b/lib/sidekiq/testing/inline.rb
index 62643859..32123c4e 100644
--- a/lib/sidekiq/testing/inline.rb
+++ b/lib/sidekiq/testing/inline.rb
@@ -28,9 +28,10 @@ module Sidekiq
     #
     singleton_class.class_eval do
       alias_method :raw_push_old, :raw_push
-      def raw_push(normed, payload)
-        Array(payload).each do |hash|
-          normed['class'].constantize.new.perform(*Sidekiq.load_json(hash)['args'])
+      def raw_push(payload)
+        [payload].flatten.each do |item|
+          marshalled = Sidekiq.load_json(Sidekiq.dump_json(item))
+          marshalled['class'].constantize.new.perform(*marshalled['args'])
         end
 
         true
diff --git a/myapp/app/controllers/work_controller.rb b/myapp/app/controllers/work_controller.rb
index cc087bac..f2dd9feb 100644
--- a/myapp/app/controllers/work_controller.rb
+++ b/myapp/app/controllers/work_controller.rb
@@ -12,6 +12,12 @@ class WorkController < ApplicationController
     render :text => 'enqueued'
   end
 
+  def bulk
+    Sidekiq::Client.push_bulk('class' => HardWorker,
+                              'args' => [['bob', 1, 1], ['mike', 1, 2]])
+    render :text => 'enbulked'
+  end
+
   def long
     50.times do |x|
       HardWorker.perform_async('bob', 10, x)
diff --git a/myapp/config/routes.rb b/myapp/config/routes.rb
index c7edef5c..90309453 100644
--- a/myapp/config/routes.rb
+++ b/myapp/config/routes.rb
@@ -7,4 +7,5 @@ Myapp::Application.routes.draw do
   get "work/post" => "work#delayed_post"
   get "work/long" => "work#long"
   get "work/crash" => "work#crash"
+  get "work/bulk" => "work#bulk"
 end
diff --git a/test/test_client.rb b/test/test_client.rb
index 369774fc..2b3d3e15 100644
--- a/test/test_client.rb
+++ b/test/test_client.rb
@@ -46,7 +46,7 @@ class TestClient < MiniTest::Unit::TestCase
     end
 
     it 'pushes messages to redis' do
-      @redis.expect :lpush, 1, ['queue:foo', String]
+      @redis.expect :lpush, 1, ['queue:foo', Array]
       pushed = Sidekiq::Client.push('queue' => 'foo', 'class' => MyWorker, 'args' => [1, 2])
       assert pushed
       assert_equal 24, pushed.size
@@ -54,7 +54,7 @@ class TestClient < MiniTest::Unit::TestCase
     end
 
     it 'pushes messages to redis using a String class' do
-      @redis.expect :lpush, 1, ['queue:foo', String]
+      @redis.expect :lpush, 1, ['queue:foo', Array]
       pushed = Sidekiq::Client.push('queue' => 'foo', 'class' => 'MyWorker', 'args' => [1, 2])
       assert pushed
       assert_equal 24, pushed.size
@@ -70,28 +70,28 @@ class TestClient < MiniTest::Unit::TestCase
     end
 
     it 'handles perform_async' do
-      @redis.expect :lpush, 1, ['queue:default', String]
+      @redis.expect :lpush, 1, ['queue:default', Array]
       pushed = MyWorker.perform_async(1, 2)
       assert pushed
       @redis.verify
     end
 
     it 'handles perform_async on failure' do
-      @redis.expect :lpush, nil, ['queue:default', String]
+      @redis.expect :lpush, nil, ['queue:default', Array]
       pushed = MyWorker.perform_async(1, 2)
       refute pushed
       @redis.verify
     end
 
     it 'enqueues messages to redis' do
-      @redis.expect :lpush, 1, ['queue:default', String]
+      @redis.expect :lpush, 1, ['queue:default', Array]
       pushed = Sidekiq::Client.enqueue(MyWorker, 1, 2)
       assert pushed
       @redis.verify
     end
 
     it 'enqueues messages to redis' do
-      @redis.expect :lpush, 1, ['queue:custom_queue', String]
+      @redis.expect :lpush, 1, ['queue:custom_queue', Array]
       pushed = Sidekiq::Client.enqueue_to(:custom_queue, MyWorker, 1, 2)
       assert pushed
       @redis.verify
@@ -103,7 +103,7 @@ class TestClient < MiniTest::Unit::TestCase
     end
 
     it 'enqueues to the named queue' do
-      @redis.expect :lpush, 1, ['queue:flimflam', String]
+      @redis.expect :lpush, 1, ['queue:flimflam', Array]
       pushed = QueuedWorker.perform_async(1, 2)
       assert pushed
       @redis.verify
@@ -176,11 +176,11 @@ class TestClient < MiniTest::Unit::TestCase
 
   describe 'item normalization' do
     it 'defaults retry to true' do
-      assert_equal true, Sidekiq::Client.normalize_item('class' => QueuedWorker, 'args' => [])['retry']
+      assert_equal true, Sidekiq::Client.send(:normalize_item, 'class' => QueuedWorker, 'args' => [])['retry']
     end
 
     it "does not normalize numeric retry's" do
-      assert_equal 2, Sidekiq::Client.normalize_item('class' => CWorker, 'args' => [])['retry']
+      assert_equal 2, Sidekiq::Client.send(:normalize_item, 'class' => CWorker, 'args' => [])['retry']
     end
   end
 end
diff --git a/test/test_scheduling.rb b/test/test_scheduling.rb
index 44c88a03..e01a3f4c 100644
--- a/test/test_scheduling.rb
+++ b/test/test_scheduling.rb
@@ -18,20 +18,20 @@ class TestScheduling < MiniTest::Unit::TestCase
     end
 
     it 'schedules a job via interval' do
-      @redis.expect :zadd, true, ['schedule', String, String]
+      @redis.expect :zadd, true, ['schedule', Array]
       assert ScheduledWorker.perform_in(600, 'mike')
       @redis.verify
     end
 
     it 'schedules a job via timestamp' do
-      @redis.expect :zadd, true, ['schedule', String, String]
+      @redis.expect :zadd, true, ['schedule', Array]
       assert ScheduledWorker.perform_in(5.days.from_now, 'mike')
       @redis.verify
     end
 
     it 'schedules multiple jobs at once' do
       @redis.expect :zadd, true, ['schedule', Array]
-      assert Sidekiq::Client.push_bulk('class' => ScheduledWorker, 'args' => ['mike', 'mike'], 'at' => 600)
+      assert Sidekiq::Client.push_bulk('class' => ScheduledWorker, 'args' => [['mike'], ['mike']], 'at' => 600)
       @redis.verify
     end
   end
diff --git a/test/test_testing_inline.rb b/test/test_testing_inline.rb
index 87aedc0a..ea068204 100644
--- a/test/test_testing_inline.rb
+++ b/test/test_testing_inline.rb
@@ -81,10 +81,10 @@ class TestInline < MiniTest::Unit::TestCase
     end
 
     it 'stubs the push_bulk call when in testing mode' do
-      assert Sidekiq::Client.push_bulk({'class' => InlineWorker, 'args' => [true, true]})
+      assert Sidekiq::Client.push_bulk({'class' => InlineWorker, 'args' => [[true], [true]]})
 
       assert_raises InlineError do
-        Sidekiq::Client.push_bulk({'class' => InlineWorker, 'args' => [true, false]})
+        Sidekiq::Client.push_bulk({'class' => InlineWorker, 'args' => [[true], [false]]})
       end
     end