Complex sentence: In 1977 Sid Vicious met Freddie Mercury because they were both recording in the same studio, he insulted Mercury but Mercury grabbed him by the lapels and pushed him out of the booth.
Split into simpler sentences: In 1977 Sid Vicious met Freddie Mercury because they were both recording in the same studio. He insulted Mercury but Mercury grabbed him by the lapels and pushed him out of the booth.