I'm not a tape expert, but in the spirit of learning more, I did some quick research, and it seems that multi-track tape is very common for data. IBM started d

I'm not a tape expert, but in the spirit of learning more, I did some quick research, and it seems that multi-track tape is very common for data. IBM started doing it in the 1950s and 1960s with 7-track[1] and then 9-track[2] tape. It's still being done today with LTO[3]. --- [1] https://en.wikipedia.org/wiki/IBM_7_track https://en.wikipedia.org/wiki/IBM_7_track [2] https://en.wikipedia.org/wiki/9_track_tape https://en.wikipedia.org/wiki/9_track_tape [3] https://en.wikipedia.org/wiki/Linear_Tape-Open https://en.wikipedia.org/wiki/Linear_Tape-Open