Mongrain is accompanied by Michael Manring ( fretless bass ) and Bill Plumber ( synthesizer ) .
Equilibrium is an acoustic guitar album by Erik Mongrain recorded at Paul Reed Smith 's Dragon Crossing Studios during August 2008 .
Erik Mongrain is accompanied by Michael Manring ( fretless bass ) and Bill Plumber ( synthesizer ) .
Equilibrium is an acoustic guitar album by Erik Mongrain recorded at Paul Reed Smith 's Dragon Crossing Studios during August 2008 .