diff --git a/web/app/assets/javascripts/session.js b/web/app/assets/javascripts/session.js
index 96d1dc55a..6b56facc9 100644
--- a/web/app/assets/javascripts/session.js
+++ b/web/app/assets/javascripts/session.js
@@ -840,7 +840,8 @@
             context._.each(mixers, function(mixer) {
               var mediaType = mixer.media_type;
 
-              if(mediaType == 'RecordingTrack') {
+              // mediaType == null is for backwards compat with older clients.  Can be removed soon
+              if(mediaType == null || mediaType == "" || mediaType == 'RecordingTrack') {
                 recordingTrackMixers.push(mixer)
               }
               else if(mediaType == 'BackingTrack') {
diff --git a/web/spec/features/feed_spec.rb b/web/spec/features/feed_spec.rb
index 22a642e75..02035dbbf 100644
--- a/web/spec/features/feed_spec.rb
+++ b/web/spec/features/feed_spec.rb
@@ -203,4 +203,32 @@ describe "Feed", :js => true, :type => :feature, :capybara_feature => true do
 
   end
 
+  describe "session participants behavior (VRFS-2193)" do
+    let(:creator)   { FactoryGirl.create(:user) }
+    let(:finder_1)  { FactoryGirl.create(:user) }
+    let(:finder_2)  { FactoryGirl.create(:user) }
+
+    specify "after session ends all participants are shown in Feed" do
+      creator, description = create_join_session creator, finder_1
+      # feed shows user, finder_1
+      formal_leave_by(finder_1)
+      # feed shows user
+      join_session(finder_2, description: description)
+      # feed shows user, finder_2
+      formal_leave_by(finder_2)
+      formal_leave_by(creator)
+
+      #leave_music_session_sleep_delay #erg
+      in_client(creator) { verify_feed_shows_users creator, finder_1, finder_2 }
+    end
+
+    specify "during session only current participants are shown in Feed" do
+      creator, description = create_join_session creator, finder_1
+      formal_leave_by(finder_1)
+      join_session(finder_2, description: description)
+
+      #leave_music_session_sleep_delay #erg
+      in_client(finder_1) { verify_feed_shows_users finder_2, creator }
+    end
+  end
 end
diff --git a/web/spec/features/in_session_spec.rb b/web/spec/features/in_session_spec.rb
index 0d4215320..a657162c1 100644
--- a/web/spec/features/in_session_spec.rb
+++ b/web/spec/features/in_session_spec.rb
@@ -21,7 +21,7 @@ describe "In a Session", :js => true, :type => :feature, :capybara_feature => tr
     description = "Public or private, I cant decide!"
     create_session(creator: user, description: description)
     in_client(user) do
-      set_session_as_private
+      set_session_access :private
     end
     in_client(finder) do
         emulate_client
@@ -31,7 +31,7 @@ describe "In a Session", :js => true, :type => :feature, :capybara_feature => tr
         sign_out_poltergeist(validate: true)
     end
     in_client(user) do
-      set_session_as_public
+      set_session_access :public
     end
     join_session(finder, description: description) # verify the public session is able to be joined
   end
@@ -88,7 +88,7 @@ describe "In a Session", :js => true, :type => :feature, :capybara_feature => tr
     creator, description = create_join_session(user, [finder])
 
     in_client(user) do
-      set_session_as_private
+      set_session_access :private
       formal_leave_by user
       sign_out_poltergeist user
     end
diff --git a/web/spec/support/utilities.rb b/web/spec/support/utilities.rb
index 872bd736a..fa4638405 100644
--- a/web/spec/support/utilities.rb
+++ b/web/spec/support/utilities.rb
@@ -464,6 +464,12 @@ def join_session(joiner, options)
   end
 end
 
+def request_to_join_session(joiner, options)
+  join_session(joiner, options.merge(no_verify: true))
+  find('#btn-alert-ok').trigger(:click)
+  # page.should have_no_selector('h1', text: 'Alert')
+end
+
 
 
 def emulate_client
@@ -475,7 +481,7 @@ def create_join_session(creator, joiners=[], options={})
   creator, unique_session_desc = create_session(options)
 
   # find session in second client
-  joiners.each do |joiner|
+  [*joiners].each do |joiner|
     join_session(joiner, description: unique_session_desc)
   end
 
@@ -490,6 +496,21 @@ def formal_leave_by user
   end
 end
 
+def verify_feed_shows_users *users
+  users = [*users]
+  visit "/client#/feed"
+  find('.feed-details a.details').trigger(:click)
+  within 'div.music-session-history-entry' do
+    users.each do |user|
+      # confirm user avatar exists
+      find("a.avatar-tiny[user-id=\"#{user.id}\"][hoveraction=\"musician\"] img")
+
+      # confirm user name exists
+      find("a.musician-name[user-id=\"#{user.id}\"][hoveraction=\"musician\"]", text: user.name)
+    end
+  end
+end
+
 def start_recording_with(creator, joiners=[], genre=nil)
   create_join_session(creator, joiners, {genre: genre})
   in_client(creator) do
@@ -529,22 +550,21 @@ def claim_recording(name, description)
   page.should have_no_selector('h1',  text: 'recording finished')
 end
 
-def set_session_as_private()
-  find('#session-settings-button').trigger(:click)
-  within('#session-settings-dialog') do
-    jk_select("Only RSVP musicians may join", '#session-settings-dialog #session-settings-musician-access')
-    #select('Private', :from => 'session-settings-musician-access')
-    find('#session-settings-dialog-submit').trigger(:click)
+def set_session_access access_type
+  case access_type
+    when :only_rsvp, :private
+      access_level = "Only RSVP musicians may join"
+    when :by_approval
+      access_level = "Musicians may join by approval"
+    when :at_will, :public, :open
+      access_level = "Musicians may join at will"
+    else
+      access_level = "Musicians may join at will"
   end
-  # verify it's dismissed
-  page.should have_no_selector('h1', text: 'update session settings')
-end
 
-def set_session_as_public()
   find('#session-settings-button').trigger(:click)
   within('#session-settings-dialog') do
-    jk_select("Musicians may join at will", '#session-settings-dialog #session-settings-musician-access')
-    # select('Public', :from => 'session-settings-musician-access')
+    jk_select(access_level, '#session-settings-dialog #session-settings-musician-access')
     find('#session-settings-dialog-submit').trigger(:click)
   end
   # verify it's dismissed