A duet passage in:
or
for some funky flute with percussive guitar, followed by some vocal harmony in:
'Quartz', a guitar reel which uses quarter tones , and like 'See You Soon' is accompanied by Richards foot operated 'Barytar':

Andrea's flute improvisation in :
Compositions: Heaney (All Rights Reserved. Online listening of these samples is of course free, but copying them isn't, since they are registered with the French SACEM.)
Richard would like to thank the "Vieux Charneuron" in Chardonnay for his guitar stand & stool.