Goldberg Variation II by J.S.Bach arranged for concert, alto and bass flutes by John Devitt. Published by Musicaneo and available here: goo.gl/YD9mv.
Performed by Trio Alt trio-alt.com. Concert Flute: Pip van Steen pipvansteen.com . Alto Flute: JohnDevitt john-devitt.com. Bass flute: Frans van Geffen flutemagic.nl.