In the following year Iommi teamed up with fellow Black Country band Diamond Head and co-wrote the song "Starcrossed (Lovers in the Night)" for their 1993 Death and Progress album. At Osbourne's "farewell" concert at Costa Mesa in 1992, Dio refused to perform and abruptly left the band. As a result, Rob Halford was recruited to perform as the vocalist for two gigs (Halford also sang at one of the dates on the 2004 Ozzfest tour, when Osbourne couldn't perform due to bronchitis).