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Remember cassette tapes? These were small devices that held a spool of plastic covered in rust and allowed us to record audio onto, if you were brave you would even store your Commodore 64 programs onto them. This Cassette Tape with Hidden MP3 Player project looks just like a Cassette Tape but has a Hidden MP3 Player inside to allow you to hold a full case full of tapes worth of music. The user interface is interesting since it uses the reels to interface with the internal player.
