InstrumentX.exe

"YOU WONT LIKE IT WHEN I BOW THE STRING FOR E FLAT!" -Ollie after being revealed.

InstrumentX.exe is a boss in Super Tuba RPG. He's the boss for BIG CITY.

Walkthrough
You must hit instruments on him and they will fall off and become FREEEEEEEEEEEEEEEEEEEEE FROM OLLIEEEEEEEEEEEEE!

Eventually you'll discover Ollie inside the Timpani so you have to hit him 5 times to defeat him.

Trombone is needed to knock pieces out.

Info
Out of random peices of instruments, Uncle ollie created this monster and is contolling it from inside the Timpani with Valves, Strings, and keys.