DCI - Drum Corps International

Were any of you high school marching band geeks? :+)
Anyone participate in DCI?

Me, with an evolved sackbutt.

Never heard of DCI. I guess that’s one of the professional corps?

DCI musicians are pre-professional, high school and college aged players.

Yes, I did HS and college band (French horn), HS marching band (E flat alto horn), pep band and orchestra, and DCI (mellophone).