diff --git a/ruby/lib/jam_ruby/models/jam_track_right.rb b/ruby/lib/jam_ruby/models/jam_track_right.rb
index f99833f08..f7f1f7ddf 100644
--- a/ruby/lib/jam_ruby/models/jam_track_right.rb
+++ b/ruby/lib/jam_ruby/models/jam_track_right.rb
@@ -102,7 +102,7 @@ module JamRuby
     def enqueue(bitrate=48)
       begin
         JamTrackRight.where(:id => self.id).update_all(:signing_queued_at => Time.now, :signing_started_at => nil, :last_signed_at => nil)
-        Resque.enqueue(JamTracksBuilder, self.id, bitrate: bitrate)
+        Resque.enqueue(JamTracksBuilder, self.id, bitrate)
         true
       rescue Exception => e
         puts "e: #{e}"
diff --git a/ruby/spec/files/off.ogg b/ruby/spec/files/off.ogg
new file mode 100644
index 000000000..743d6e3aa
Binary files /dev/null and b/ruby/spec/files/off.ogg differ
diff --git a/web/spec/controllers/api_jam_tracks_controller_spec.rb b/web/spec/controllers/api_jam_tracks_controller_spec.rb
index b9db1eefd..210aa39f6 100644
--- a/web/spec/controllers/api_jam_tracks_controller_spec.rb
+++ b/web/spec/controllers/api_jam_tracks_controller_spec.rb
@@ -6,6 +6,7 @@ describe ApiJamTracksController do
   before(:all) do
     @original_storage = JamTrackTrackUploader.storage = :fog
     @original_storage_right = JamTrackRightUploader.storage = :fog
+    @s3 = S3Manager.new(APP_CONFIG.aws_bucket, APP_CONFIG.aws_access_key_id, APP_CONFIG.aws_secret_access_key)
   end
 
   after(:all) do
@@ -76,7 +77,7 @@ describe ApiJamTracksController do
     it "finds a download" do
       #get "/download/#{right.id}/"
       right = JamTrackRight.create(:user=>@user, :jam_track=>@jam_track)
-      get :download, { :format => 'json', :id => @jam_track.id }
+      get :download, { :format=>'json', :id=>@jam_track.id }
 
       response.should be_success
       response.status.should == 202
@@ -115,43 +116,81 @@ describe ApiJamTracksController do
       @jam_track = FactoryGirl.create(:jam_track) #jam_track_track.jam_track
       jam_track_track = @jam_track.jam_track_tracks.first
       
+      # 48 kHz:
       uploader = JamTrackTrackUploader.new(jam_track_track, :url_48)
       uploader.store!(File.open(@ogg_path, 'rb'))
+      
+      # 44 kHz:
+      uploader = JamTrackTrackUploader.new(jam_track_track, :url_44)
+      uploader.store!(File.open(File.join('spec', 'files', 'off.ogg'), 'rb'))
+
       #jam_track_track.url.store!(File.open(ogg_path, "rb"))
       jam_track_track.save!      
       jam_track_track.reload
       ResqueSpec.reset!
     end
     
-    it "download depends on rights" do
-      s3 = S3Manager.new(APP_CONFIG.aws_bucket, APP_CONFIG.aws_access_key_id, APP_CONFIG.aws_secret_access_key)
-      get :download, :id => @jam_track.id
+    it "download depends on rights" do      
+      get :download, :id=>@jam_track.id
       response.status.should == 403
 
       right = JamTrackRight.create(:user=>@user, :jam_track=>@jam_track)
-      get :download, :id => @jam_track.id
+      get :download, :id=>@jam_track.id
       response.status.should == 202
       right.download_count.should eq(0)
       right.private_key.should be_nil
 
-      JamTracksBuilder.should have_queued(right.id).in(:jam_tracks_builder)
-
       qname = "#{ResqueSpec.queue_name(JamRuby::JamTracksBuilder)}"
+      #puts "ResqueSpec.peek(qname)#{ResqueSpec.peek(qname)}"
+      JamTracksBuilder.should have_queued(right.id,nil).in(:jam_tracks_builder)
+
       expect(ResqueSpec.peek(qname).present?).to eq(true)
       ResqueSpec.perform_next(qname)
 
-      JamTracksBuilder.should_not have_queued(right.id).in(:jam_tracks_builder)
+      JamTracksBuilder.should_not have_queued(right.id,nil).in(:jam_tracks_builder)
       right.reload
       right.private_key.should_not be_nil
       right.download_count.should eq(0)
 
-      get :download, :id => @jam_track.id
+      get :download, :id=>@jam_track.id
       response.status.should == 302
       response.location.should =~ /.*#{Regexp.escape(right.filename)}.*/
       right.reload
       right.download_count.should eq(1)
 
-      notifications = Notification.where(:jam_track_right_id => right.id)
+      notifications = Notification.where(:jam_track_right_id=>right.id)
+      notifications.count.should == 1            
+    end
+
+    it "supports multiple bitrates" do      
+      get :download, :id=>@jam_track.id, :bitrate=>44
+      response.status.should == 403
+
+      right = JamTrackRight.create(:user=>@user, :jam_track=>@jam_track)
+      get :download, :id=>@jam_track.id, :bitrate=>44
+      response.status.should == 202
+      right.download_count.should eq(0)
+      right.private_key.should be_nil
+
+      qname = "#{ResqueSpec.queue_name(JamRuby::JamTracksBuilder)}"
+      #puts "ResqueSpec.peek(qname)#{ResqueSpec.peek(qname)}"
+      JamTracksBuilder.should have_queued(right.id,"44").in(:jam_tracks_builder)
+
+      expect(ResqueSpec.peek(qname).present?).to eq(true)
+      ResqueSpec.perform_next(qname)
+
+      JamTracksBuilder.should_not have_queued(right.id,"44").in(:jam_tracks_builder)
+      right.reload
+      right.private_key.should_not be_nil
+      right.download_count.should eq(0)
+
+      get :download, :id=>@jam_track.id, :bitrate=>44
+      response.status.should == 302
+      response.location.should =~ /.*#{Regexp.escape(right.filename)}.*/
+      right.reload
+      right.download_count.should eq(1)
+
+      notifications = Notification.where(:jam_track_right_id=>right.id)
       notifications.count.should == 1            
     end
   end
@@ -213,7 +252,7 @@ describe ApiJamTracksController do
     it "success" do
       right = FactoryGirl.create(:jam_track_right, user: @user, signed: false)
       right.signing_queued_at.should be_nil
-      post :enqueue, {:format => 'json', :id => right.jam_track.id}
+      post :enqueue, {:format=>'json', :id=>right.jam_track.id}
       response.should be_success
 
       right.reload
@@ -225,7 +264,7 @@ describe ApiJamTracksController do
     it "success" do
       right = FactoryGirl.create(:jam_track_right, user: @user)
 
-      get :show_jam_track_right, {:id => right.jam_track.id}
+      get :show_jam_track_right, {:id=>right.jam_track.id}
       response.should be_success
       json = JSON.parse(response.body)
       json['signing_state'].should eq('QUIET')
diff --git a/web/spec/files/off.ogg b/web/spec/files/off.ogg
new file mode 100644
index 000000000..743d6e3aa
Binary files /dev/null and b/web/spec/files/off.ogg differ