I have used the magnetic tape from the audio cassette to make a fabric by putting on a loom and mixing it with cotton.
A more detailed view of the magnetic tape fabric.
Process picture of Mp3 cassette player.
Mp3 cassette player in use.
Concept for Mp3 players using old cassettes
gLike
Upcycling Audio cassette tapes to Mp3 Player and fabric
Upcycling Audio cassette tapes to Mp3 Player and fabric