Ike Willis, the singer who spent nearly a decade in Frank Zappa’s band, died of unspecified causes on Sunday at the age of 70. The news was reported on social media by multiple sources, including Willis' former Zappa bandmate drummer Chad Wackerman. Willis had previously announced his battle with prostate cancer in 2021. Willis was a student at St. Louis’ Washington University when he met Zappa at a concert in 1977. The aspiring musician offered his services as a vocalist and later auditioned for Zappa in Los Angeles. That began a collaboration that ran for close to a decade, with...