The PS Vita can play back several audio formats and can even access your music library on your PC or PS3.
PlayStation Vita (Platform) - Giant Bomb
PS Vita Play Music While Playing Games/Adrenaline/Emulators! (Music Premium)
Best PS Vita Games
The PlayStation Vita: History, Launch, and Ultimate Failure Explained - History-Computer
12. Tuning in to Music - My PlayStation® Vita [Book]
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