As a native of San Jose, California, Mark St.John has been performing for over 30 years. Mark has played at most of the night club venues in the San Francisco Bay Area, including The Filmore, Slims, DNA Lounge, The Catalyst, The Berkeley Square, Berkeley Community Theater, San Jose Center of Performing Arts, and The San Jose Civic Auditorium. Mark has shared the stage with well-known musicians including Chris Isaak, Lyle Lovett, Dave Mason, and Johnny Winter.

Working as a sound designer for a multimedia company, Mark has written, produced, and performed original productions for Apple Computer's World Wide Developer's Conference, corporate video soundtracks for Raster Ops and Cisco Systems and was nominated for Best Original Score of 1993 by the San Jose Video and Film Commission.

Recently, while living in Las Vegas, Nevada, Mark decided to go solo using sequenced keyboards and drums, while playing live guitar and singing. As a solo musician, Mark has also volunteered his time and talents to the national fundraiser events of the Leukemia Society and Cystic Fibrosis Foundation.

Since moving back to California, Mark has since combined his amazing talents with the powerful vocals of Renee to create a sound and impressive show of Classic Rock and Old School hits with both Double Vision, and The Cocktail Monkeys