After early collaborations with Buddy Holly and Roy Orbison, Rush moved into producing and promoting records of Texas musicians.
Rush's music career began while a student at Odessa College, where he sang in a trio called the Roses, serving as a backup vocals on "Think It Over" by Buddy Holly in 1958.
Zenith had recorded one of Thomas's early singles, and claimed contractual interference.
[11] Rush produced several psychedelic rock albums with International Artists in the late 1960s, including The Thirteenth Floor Elevators', Bull of the Woods, and songs by Bubble Puppy in 1969.
[12] Rush produced records and also managed artists and repertoire with International.