Stream Dragon Ball Super - Ultimate Battle Guitar Cover by C-Jin | Listen online for free on SoundCloud
Goku Ultra Instinct by JyuNanohara on DeviantArt | Dragon ball, Anime dragon ball goku, Dragon ball super goku
Dragon Ball Super - Beyond The Limit + Ultimate Battle [Epic Orchestral Cover] - YouTube
Dragon Ball Super - Ultimate Battle Piano Arrangement Sheet music for Piano (Solo) | Musescore.com
Dragon Ball Super - Ultimate Battle/Ultra instinct | Instrumental Epic Rock COVER - YouTube
Dragon Ball Super - Ultimate Battle | Ultimate Metal Vocal COVER - video Dailymotion
Dragon Ball Super - Ultimate Battle/Ultra instinct | Instrumental Epic Rock COVER - YouTube
The person here is the singer of "Ultimate Battle", one of the OST used during the battle between Jiren & Ultra Instinct Goku. I might be wrong but this could "mean" something :
Ultimate Battle/Ultra Instinct Theme SAMPLE Sheet music for Trombone, Euphonium, Tuba, Flute piccolo & more instruments (Mixed Ensemble) | Musescore.com