Kanga Playing Greg's Guitar (Read Description) by Disneyfanwithautism on DeviantArt
Since Save/Unleash The Light are canon, that means Greg's guitar skills are so good he can heal people and fight Gem level opponents with music alone. : r/stevenuniverse
Greg's Guitar Lessons - YouTube
Gregg Guitars
Greg's Guitar Playing Skit/Gallery | Wigglepedia | Fandom