MP3 is the format that taught music to travel: small, scrappy, and welcome absolutely everywhere. It was born in 1993, Fraunhofer Institute, Germany, and its real weak spot is holding fine detail at low bitrates: it stays small by quietly discarding sound.
Whatever the recording, audio just wants to be heard: the trick is picking a shape that plays where you need it. Stands in for any audio format Flippy can read: MP3, WAV, FLAC, AAC and friends. That makes it the right destination when what you need is any sound file: music, voice memos, podcasts, session exports.