X:1 not found in http://www.math.mun.ca/~bshawyer/reels/ClunyCastle.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9372-ClunyCastle.ps) >>/Users/jc/w/tmp/Tune-9372-get.log 2>&1" returned status 256
http://www.math.mun.ca/~bshawyer/reels/ClunyCastle.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-9372-ClunyCastle.abc 0 ABC music file with the extracted tune(s)
Tune-9372-ClunyCastle.ps 6 PostScript
Tune-9372-ClunyCastle.txt 0 Plain-text file with the extracted tune(s)
Tune-9372-get.log 4348 Log file, useful mostly for debugging
Tune-93721-get.log 92048 Log file, useful mostly for debugging
Tune-93721-k.abc 433 ABC music file with the extracted tune(s)
Tune-93721-k.ps 36762 PostScript
Tune-93721-k.txt 433 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.