Description: If the user lets the song end naturally while listening to a paylist the play button will replace the pause button for a moment while the songs transition. Repro Steps: 1) Update a Aries to 20151005195518 2) Open music app 3) Start playing a playlist 4) Observe play button as song ends Actual: The play button will appear for a moment when the song ends Expected: It is expected that the button will remain as a pause button Environmental Variables: Device: Aries 2.5 [Full Flash] Build ID: 20151005195518 Gaia: b994cedaa7ef9bfadcbe841601d9dc8d2e5379f9 Gecko: 637b029d175d49b1580255f45a205c61a1921eaa Gonk: 2916e2368074b5383c80bf5a0fba3fc83ba310bd Version: 44.0a1 (2.5) Firmware Version: D5803_23.1.A.1.28_NCB.ftf User Agent: Mozilla/5.0 (Mobile; rv:44.0) Gecko/44.0 Firefox/44.0 Repro frequency: 10/10 See attached: video clip(https://youtu.be/wtk0bUgil9Y), logcat

This issue DOES occur on Flame 2.5. Environmental Variables: Device: Flame 2.5 [Full Flash] BuildID: 20151004150211 Gaia: f3d9981dccfa4dfdfcb865d95fdcfb85e4077e1e Gecko: 3d7532ce81ac571962abc3b99582fe7f5d685192 Gonk: c4779d6da0f85894b1f78f0351b43f2949e8decd Version: 44.0a1 (2.5) Firmware Version: v18D User Agent: Mozilla/5.0 (Mobile; rv:44.0) Gecko/44.0 Firefox/44.0 Result: The play button will appear for a moment when the song ends --------------------------------- The Music NGA app is not in 2.2.

Seems minor so not nominating to block on this.

[Tracking Requested - why for this release]: I think it has the similar underlying cause as the play icon in status bar flickering. Moving to backlog since it's a minor issue.

Firefox OS is not being worked on