Rainbow (rock band) steered Deep Purple through a significant personnel change, with Ian Gillan and Roger Glover being replaced by David Coverdale and Glenn Hughes. However, the new members were keen to add new musical styles and Blackmore found his request to record the Steve Hammond-penned "Black Sheep of the Family" with "Sixteenth Century Greensleeves" turned down by the band. He decided to record the song with Dio instead, using Dio's band Elf as additional musicians. He enjoyed the results, and a full album, billed as "Ritchie Blackmore's Rainbow" was recorded between February and March 1975 at Musicland Studios in Munich, Germany. The
John Lawton (musician) Roger Glover's "Butterfly Ball" live at the Royal Albert Hall in 1975, featuring David Coverdale, Glenn Hughes, Ian Gillan and Twiggy. He sang on Eddie Hardin's "Wizard's Convention II" with Chris Farlowe, Denny Laine, Paul Jones and Tony Ashton. Lawton worked with some of the finest record producers, including Tony Clarke (Moody Blues), Jimmy Miller (Rolling Stones), and Harold Faltermeyer (Pet Shop Boys), who produced the titles Lawton sang on the Lenny McDowell Project "Lost Paradise". Lawton sang with German rock band Rebel, later known as Zar, on three albums, during the late '80s -'90s including their hit singles "Line