An original a-cappella arrangement of His Theme from Undertale! This is one of the biggest requests from Undertale that I never recorded. I love how this song starts off soft, and builds into a big ...

All the Latest Game Footage and Images from Trombone Champ: Unflattened! – Undertale + Deltarune Song Pack Six Legendary Tracks. One Unstable Trombone. The UNDERTALE + DELTARUNE Song Pack brings a ...