There are at least five artists with the name Grayscale:
Note: These are photos from concerts where Grayscale played, so they may be of other bands that played the concert as well.
WSTR / Hot Mulligan / Grayscale
Uploaded by Zach Cooper
Frozen Fest Night II
Uploaded by Bri Byrne
Anywhere But Here 10 Year Anniversary Tour
Uploaded by Kimberly Anastasia