pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1522-LadySusanStewartsReel1.ps) >>/Users/jc/w/tmp/Tune-1522-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/LadySusanStewartsReel1.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
Coll_15221.log 138910 Log file, useful mostly for debugging
Tune-1522-LadySusanStewartsReel1.abc 751 ABC music file with the extracted tune(s)
Tune-1522-LadySusanStewartsReel1.ps 34643 PostScript
Tune-1522-LadySusanStewartsReel1.txt 751 Plain-text file with the extracted tune(s)
Tune-1522-get.log 4619 Log file, useful mostly for debugging
Tune-15225-get.log 1522 Log file, useful mostly for debugging
These files should be available for 24 hours.