Amazon.com: Kraco Enterprises, Inc. Kraco Stereo Cassette Adapter (8-Track Cassette Tape Adapter) (Put Cassette in 8-Track Adapter and Cassette will play in 8-Track Player) : Electronics
Why 8-Track Failed?
Bluetooth 8-Track Adapters Are A Thing | Hackaday
Barry's 8 Track Repair - Proper Care of 8 Track Tapes and Machines