Was the first removable media you used precede the CD (Compact Disc)?

I started out with a mainframe connected through a keyboard to magnetic tape media. I then moved up to 8" dual drive floppy disks, followed by 5.25" disks, 3.5" disks and so on. My iPhone is Star Trek compared to the Bronze Age I started in.

Zip discs and 3.5" discs.

My first was the 5.25inch floppy, but there have been many after that!

I think I was born JUST early enough to grow up around 3 1/4" floppies, VHS, and cassettes. CDs started replacing floppies and vinyl/cassettes somewhat early in my childhood, and I remember DVDs coming about around my preteen years.

I still enjoy collecting and listening to music on vinyl though. Digital provides excellent clarity in my opinion, but for some reason I like the "warm" sound of vinyl. And I still think a brand new, perfectly clean vinyl record provides more clarity than digital...and the soundstaging you can get with vinyl is incredible.

IBM 286 with 5.5 floppys

I've used floppy of all sizes, zip, super disks. Never used a cassette tape though.

Floppy disks and Zip were the first I had ever used. The old big floppy and then the smaller ones, did a lot of counseling statements on the smaller disks lol.

I used a 3.5 inch floppy first and then ZIP disks (250-750 MB) on my Korg Triton music workstation.