Composer Simon Jeffes says of it, "composed in Kyoto, Japan in 1982 on a harmonium found sitting on top of a pile of discarded builders wood."

a few abcs on the web, maybe someone can translate it ot sheet music for you. I found one at www.geocities.com/SoHo/9618/net.html:
X:1
X:1
T:Music for a Found Harmonium
M:4/4
L:1/8
C:Simon Jeffes
Z:as taught by Artie McGlynn on workshop in De Glind, Holland, Nov. '94
K:D
FDGD FD2D|FDGD FD2D|FDGD FD2D|EDCD D2DD:||
EDCD EDCD|FDCD FDCD|GDED CDGD|FDDE D2DD:||
K:C cFEF GF2F|cFEF E3F|cFEF GF2F|cFEF E3F:||
K:F BFDF GF2F|BFDF GF2F|BGEF GE2F|BGEF GE2F||
K:D cGEG CG2G|cGEG CG2G|cGEG CG2G|cGEG CG2G||
EDCD EDCD|FD=CD FD=CD|GDED CDGD|FDDE D2DD:||

There's a reference to sheet music at this accordian page but I couldn't access the given link tonight
It's published in the Portland Collection (tunes not on line, the book is for sale) also in published in "Cruinn Còmhla. The Well Travelled Fiddler's Collection." Traditional and Contemporary Tunes Compiled and arranged by Christine Martin and Anne Hughes
audial at Poor Man Tunes and here also