A marching band who does not compete due to lack of skill and instead makes up for it in rapid, confusing body spasms across the field during half time.
Friend-"Dude, sick marching band!"
You- "Sadly you are wrong, we are just a showband."
The day that all people (in marching band) look forward to at the beginning of a new season, where the music and movements you will be working on repeatedly for the next few months are revealed.
Guy 1: Man, tomorrow is the marching band show reveal day, aren't you excited?