Finally found a cassette adapter : r/Zune

Monster Power 133218 iCarPlay Cassette Adapter 800 133218-00 50644638299

Putting a Raspberry Pi in a Car is a Great Idea. Here's How it's Done., by Aaron Turner

Buy Nolan Tx 3.5 mm (White) Generic Bluetooth Wireless Stereo Music Audio Transmitter Adapter for iPod, Zune, Zen, Sony Walkman, Sansa, Mp3 Players, Portable Music Audio Player, , , PSP, Nintendo 3DS

Comment: The iPod is all but forgotten by Apple now, but 15 years ago it forever changed the way we listen to music - 9to5Mac

What was the preloaded songs on a Sony Walkman? - Quora

5.5 gen BOSE AUX input - Maxima Forums

Upgrading/replacing cable on cassette to 3.5mm adapter : r/ElectronicsRepair

Philips Cassette Tape Car Adapter for iPod iPad MP3 Phones Tablets PH2050W

onn. Cassette Audio Adapter 3ft with AUX Cable, Play Digital Music from an AUX Source

Tear Down: Microsoft re-tunes the Zune

Seamless Zune Dock - HP Pocket Media Drive Bay : 9 Steps - Instructables