Шат Ап / Shut Up / Skupina Františka Ringo Čecha. Czech pop-rock group, focused on the “bubble-gum” sound. Founded in Prague by drummer and lyricist František Ringo Čech in 1968 as one of the Semafor Theatre backing groups (along with the Ferdinand Havlík Orchestra, and replacing Country Beat Jiřího Brabce).
https://www.discogs.com/ru/artist/1478032-Shut-Up-3