Question: Which alternative rock band did the singer of "Violently Happy" used to be a part of?
Sentence (from "Björk"): Björk embarked on a solo career in 1993, coming to prominence as a solo artist with albums such as "Debut" (1993), "Post" (1995), and "Homogenic" (1997), while collaborating with a range of artists and exploring a variety of multimedia projects.
Relevant evidence: No