Expression Pedal Heel:  Pitch A = 0.995

Expression Pedal Heel:  Pitch B = 1.005

Expression Pedal Toe:  Pitch A = 0.950

Expression Pedal Toe:  Pitch B = 1.050

Downward & upward 'belltree' microshifts in two phase-offset loops (eventual long decay).

Flex switch adds repeat stutters inside the loops.

Expression pedal changes recirculating pitches from +/- 5 cents to +/- 50 cents.