Complex sentence: In 1998, Placebo recorded a cover of T. Rex's "20th Century Boy" for the "Velvet Goldmine" soundtrack and the band appeared in a minor role in the film.
Split into simpler sentences: In 1998, Placebo recorded a cover of T. Rex's "20th Century Boy" for the "Velvet Goldmine" soundtrack. The band appeared in a minor role in the film.