Rhythmbox can't find music on my android device

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http://unix.stackexchange.com – Rhythmbox actually shows my smartphone on the devices list but it's unable to find any music on it, I installed mtp and mtpfs and also enabled the mtp plugin in Rhythmbox. I also added a .is_audio_player file with this content: audio_folders=Music/ folder_depth=2 output_formats=audio/mpeg But no luck, the device is actually mounted fine and I'm able to browse through the files (using gphoto2) but if I try to play the flies directly through the device they won't play either. Can anyone point me in the right direction? Thanks in advance! EDIT: BTW I'm using arch linux. (HowTos)