5 minutes on the Harmonic Pedal' - Paul Barton, piano - YouTube
Darkglass Harmonic Booster Bass Preamp Pedal
How To Use The Harmonic Piano Pedal
JHS Effect Pedals - 3 Series Harmonic Tremolo | Mass Street Music
Supro - Analog Harmonic Tremolo Pedal 1310 | DuBaldo Music Center
Ravel “Pavane pour une infante défunte” P. Barton FEURICH Harmonic Pedal piano | Experimental recording with the harmonic pedal. The new 4th harmonic pedal allows controllable sympathetic resonance around played staccato notes,...
Boite a musique" (Music Box) P. Sancan - HARMONIC PEDAL piano | "Boîte à Musique" ("Music Box") by Pierre Sancan (1916 - 2008) played with harmonic pedal for my Brazilian friend, Julio.
Ashdown Compact Sub Harmonic Generator Effects Pedal Silver and Baby Blue | Guitar Center