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How can I make it so that music (mp3 files) can be played from the external SD card, whether directly or indirectly? - MIT App Inventor Help - MIT App Inventor Community
Error 701 when trying to read an MP3 file from firebase - MIT App Inventor Help - MIT App Inventor Community
![Erfurt, Germany. 28th Mar, 2019. Karlheinz Brandenburg, professor and co- inventor of the mp3 process for audio data compression, is following the opening of the Central German Fair for Digitisation in the Arena Erfurt, Germany. 28th Mar, 2019. Karlheinz Brandenburg, professor and co- inventor of the mp3 process for audio data compression, is following the opening of the Central German Fair for Digitisation in the Arena](https://c8.alamy.com/comp/T1R8WD/erfurt-germany-28th-mar-2019-karlheinz-brandenburg-professor-and-co-inventor-of-the-mp3-process-for-audio-data-compression-is-following-the-opening-of-the-central-german-fair-for-digitisation-in-the-arena-erfurt-around-80-exhibitors-from-the-it-sector-have-registered-for-the-one-day-event-credit-martin-schuttdpa-zentralbilddpaalamy-live-news-T1R8WD.jpg)