what's up?
hey, what's up, kid?
Sans, 10th Anniversary Stream
what's up? is the 12th track of the UNDERTALE 10th Anniversary Stream Soundtrack. It played at the Dog Shrine in Papyrus and Sans's house during the 10th Anniversary Stream.[1] The music arrangement was performed by Carlos "insaneintherain" Eiene.[2]
- ↑ UNDERTALE 10th Anniversary Stream - Day 1 (02:30:48) on YouTube
- ↑
Honored to not only have had my arrangements played as pre-stream music during the UNDERTALE 10th anniversary stream... but I also contributed a few custom music arrangements specifically made for the event!!
— @insanerainmusic on Twitter, September 22, 2025.