Devo's mainstream popularity waned during the mid-1980s and its various members began working on side projects, Casale transitioned to audio engineering and record production. He engineered and mixed Mark Mothersbaugh's debut solo studio album Muzik for Insomniaks in 1985, which was later expanded and released as two CDs in 1988. In 1986, Casale produced and engineered Martini Ranch's debut EP "How Can the Labouring Man Find Time for Self-Culture?" which also featured Alan Myers on percussion and Mark Mothersbaugh on keyboards and in the late summer of 1986 he engineered the debut solo studio album for the Police's guitarist Andy Summers, recorded at Devo Studios in California. XYZ, featuring songs written and sung by Summers, was then released in 1987. In 1989, Bob Casale and other members of Devo were involved in the project Visiting Kids, releasing a self-titled EP on the New Rose label in 1990. The band featured Mark Mothersbaugh's then-wife Nancye Ferguson, as well as David Kendrick, Bob Mothersbaugh and Bob's daughter Alex Mothersbaugh. Their record was produced by Bob Casale and Mark Mothersbaugh and Mark also co-wrote some of the songs. Visiting Kids appeared on the soundtrack to the film Rockula (1990), as well as on the Late Show with David Letterman. A promotional video was filmed for the song "Trilobites". Casale later became a part of the musical production group Mutato Muzika with other members of Devo. As audio engineering and record production opportunities expanded for Casale and bandmate Mark Mothersbaugh, Casale began working for television and movies, including Four Rooms, Happy Gilmore, Rushmore, The Royal Tenenbaums and Rugrats Go Wild. Death On February 17, 2014, Casale died at the age of 61, in Los Angeles, California, due to heart failure. According to his brother Gerald, he went to the emergency room because he was coughing up blood. He was scheduled for tests and his family went home. During the tests, Casale became "agitated" and was given a sedative, after which his blood pressure plunged. He was given epinephrine. When his heart stopped, the medical staff was unable to get it started again. He is survived by his brother Gerald and two children, Alex and Samantha. Devo toured the U.S. and Canada in June and July 2014, playing ten dates consisting of their "experimental music" composed and recorded from 1974 to 1978. Planned as a 40th anniversary tour, this outing was billed as the "Hardcore