the audio cassette became the standard for music playback in vehicles. See 8-track tape. The tape is recorded in two directions, which doubles its length (two monaural or four stereo tracks).
The audio cassette format launched in the 1960s is experiencing a revival in 2024 and I have become something of a tape junkie ... would pay £45 for a triple-pack of C-90s manufactured in ...
This format gained popularity among consumers who wished to create cassette copies of their favorite CDs for portable or car audio systems without the need to split tracks across multiple tapes.