Can a music purchase system be implemented whereby 'stores sell SD Cards that are used with buying music at said stores, a cashier loads your purchases onto the SD Card whenever you
![I got this, converted yt music to mp3, transferred them on the sd card, but my audi a4 2010 when I plug it in it says that it's unreadable : r/Audi I got this, converted yt music to mp3, transferred them on the sd card, but my audi a4 2010 when I plug it in it says that it's unreadable : r/Audi](https://i.redd.it/gtbr5gp0ggaa1.jpg)
I got this, converted yt music to mp3, transferred them on the sd card, but my audi a4 2010 when I plug it in it says that it's unreadable : r/Audi
![Garsent Music Digitizer, 128Kbps RCA Left & Right Channels Remote Music Digitizer Analog in USB Drive or SD Card Music Player Music Digitizer Record.: Amazon.co.uk: Musical Instruments & DJ Garsent Music Digitizer, 128Kbps RCA Left & Right Channels Remote Music Digitizer Analog in USB Drive or SD Card Music Player Music Digitizer Record.: Amazon.co.uk: Musical Instruments & DJ](https://m.media-amazon.com/images/I/51qoQ9CWhGL._AC_UF1000,1000_QL80_.jpg)