Yoko & the Gold Bazookas

Yoko & the Gold Bazookas is a band in Splatoon 3. Their only currently known song, Ska-Blam!, plays in the announcement trailer for Sizzle Season 2023. Currently their lineup consists of a trumpet (Yoko), trombone and baritone saxophone accompanied by a full rhythm section, as well as vocals.

Etymology
Yoko is a trumpet player who has been a member of Ink Theory. The Gold Bazookas are probably a reference to the brass instruments played in the songs, and the "x and the y" naming format is common among popular ska bands.