pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-96497-TripToTimberRidge1.ps) >>/Users/jc/w/tmp/Tune-96497-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/TripToTimberRidge1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_96497.log 288545 Log file, useful mostly for debugging
Tune-96497-TripToTimberRidge1.abc 2432 ABC music file with the extracted tune(s)
Tune-96497-TripToTimberRidge1.ps 52984 PostScript
Tune-96497-TripToTimberRidge1.txt 2432 Plain-text file with the extracted tune(s)
Tune-96497-get.log 5062 Log file, useful mostly for debugging
These files should be available for 24 hours.