1972–1978, Bishop worked as a recording and mastering engineer at Cleveland Recording Company, Cleveland, Ohio.
1978–1988, Bishop was a recording & mastering engineer and studio manager at Suma Recording Studios, Painesville, Ohio.
Bishop's first sessions for Telarc Records began in 1978 as a disk mastering engineer on the Lorin Maazel/Cleveland Orchestra direct-to-disk release: Direct From Cleveland, the first modern direct-to-disk orchestral recording.
Concord Music Group closed Telarc's Production Department in December 2008, ending the run of the last full-service in-house production staff at a record label.
[citation needed] In 2009, a few members of the original Telarc team, including Bishop, created Five/Four Productions.