Unbeknownst to Rollins, Cadena wanted to switch to guitar, and the band was looking for a new vocalist. The band was impressed with Rollins' singing and stage demeanor, and the next day, after a semi-formal audition at Tu Casa Studio in New York City, they asked him to become their permanent vocalist. Despite some doubts, he accepted, in part because of MacKaye's encouragement. His high level of energy and intense personality suited the band's style, but Rollins' diverse tastes in music were a key factor in his being selected as singer; Black Flag's founder Greg Ginn was growing restless creatively and wanted a singer who was willing to move beyond simple, three-chord punk.