Use Modern DJ Man's modern hi-fi equipment to defeat Tuba Man, and make him obsolete. Record and capture the bass notes and playback to him at 120db. You will get Music Note Missiles! The brown notes will help you later to defeat FartMan.
Man this takes me back
If I remember correctly there was an effort to make a whole video game from the brass-wind warrior memes this originates from. Did anything ever come from that?
"Band directors hate this one trick"
But really, don't do this. Instruments are expensive as fuck and most school music programs are on a shoe string budget as it is.
Tuba mirum spargens sonum per sepulcra regionum, coget omnes ante thronum.
Mors stupebit et natura, cum resurget creatura, judicanti responsura.