Acoustic Guitarist Jon Bartz guitarist is based in Gilroy, California and has been a member with GigMasters since 2013. Jon Bartz guitarist services Santa Clara County and will travel up to 10 miles from Gilroy, CA. Hire Jon Bartz guitarist through GigMasters today! I specialize in restaurant, cocktail lounge, and corporate event work (no weddings). I play Spanish, Medieval, and Renaissance instrumentals and I sing and play the standards (Sinatra, Como, Bennett, etc.), classic Country Western, and some Island music (Jimmy Buffett, Alfred Apaka, etc.) I was the house singer/guitarist at Matxain Etxea Basque Restaurant in San Juan Bautista, CA (every Friday, Saturday and Sunday nights, and Sunday afternoons during the summer) from June 2013 to April 2016. I have spent the last year concentrating on recording.