Dacus received his big break when he was discovered by the band The Yellow Payges in 1968 during a concert with Buffalo Springfield and The Beach Boys.
[1] Dacus has worked and performed with a number of notable musicians, including Billy Joel, Boz Scaggs, Crosby, Stills, & Nash,[2] Neil Young, Stephen Stills (solo),[2] John Lennon, Elvin Bishop, REO Speedwagon, Steve Cropper, Kiki Dee, Elton John, Chicago,[3] The Turtles, Roger McGuinn, Badfinger, Bobby Womack, Edoardo Bennato, Mac Davis, Veronique Sanson, Bonnie Bramlett, Deep Purple, Ambrosia, Orleans, Berry Gordy of Motown's MoWest label group Odyssey,[4] Rick James, Spirit and Chris Hillman.
Dacus starred as Woof Dachshund in the film version of Hair, co-starring Treat Williams, Beverly D'Angelo, Annie Golden, and John Savage, and directed by Academy Award winner Miloš Forman.
In 1982, Dacus joined Badfinger with Tom Evans, Mike Gibbins, and Bob Jackson, plus Reed Kailing, who had been lead guitarist with the Grass Roots.
In January 2016, he appeared as a guest guitarist alongside former Chicago vocalist and bassist Peter Cetera at a concert at Magic City in Miami, Florida.