Guitarist Avi Bortnick is best known for his long musical association with influential jazz guitarist John Scofield, playing rhythm guitar and electronics, composing and producing.  In addition to playing with Scofield, he has played with his own groups and with a wide range of New York-based artists, including Jim Weider’s Project Percolator, Erik Deutsch, Forro in the Dark, Shitty Shitty Jam Band, Rene Lopez, the Ghost Train Orchestra, Jihae, Betty Black, Bunga Bunga Party, and Jason Blum. When living in the San Francisco Bay Area, he played with Zigaboo Modeliste, Bobby McFerrin, What It Is, Jeff Narell, and Kotoja.  He is known in musician circles for his rhythm guitar playing and ability to blend in a variety of musical configurations.  In addition to his life as a guitarist, Avi is an experienced acoustical consultant, and has developed the iPhone/Android application Time Guru metronome, and the VoxBeat multi-track looper for iPhone.