He went on to service keyboards for Studio Instrument Rentals in Hollywood and in Los Angeles area recording studios where he serviced a wide variety of 70's vintage keyboard instruments including: Fender Rhodes, Hohner Clavinets, Hammond Organs and Wurlitzer electric pianos in sound stages and concert venues throughout Southern California - he tuned pianos at the Hollywood Bowl, The Greek Theatre, Universal Amphitheatre, Motown Records, A&M Records, the L.A.Forum, the Roxy and Wiltern Theatres.

It was at one of these shows - while tuning for Stevie Wonder, that he met Crosby, Stills & Nash's production staff who invited Peter to join their 1981 World Tour. Since then he has spent over twenty-five years tuning and maintaining keyboard instruments on some of the most demanding concert stages in the world - including Madison Square Garden, the Sydney Opera House, London's Royal Albert Hall, Taj Mahal in India and NHK Hall in Tokyo.

Now in South Florida, Peter concert tunes pianos at the Kravis Center, Mar-a-Lago, the Breakers, the Colony Hotel, Ritz-Carlton, Florida Atlantic University, Kretzer Piano, BankAtlantic Center, Cruzan Amphitheatre, Dramaworks, Florida Stage and for the Palm Beach Opera.