Fantastic flute by Martin Doyle of Bray, Ireland. with keys later added (F/G#) by flute maker Louis Jordan. Doyle's flutes are known for their easy of play and energy. Part of that energetic feel, no doubt, comes from their thin walls. His embouchure cut is spot on as well. Awesome playing/sounding flute - inspiring to play. Brian Finnegan of the band Flook plays Martin's flutes.