pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-23173-Cockle_Gatherer-A-16-2.ps) >>/Users/jc/w/tmp/Tune-23173-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Cockle_Gatherer-A-16-2.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_23173.log 156351 Log file, useful mostly for debugging
Tune-23173-Cockle_Gatherer-A-16-2.abc 464 ABC music file with the extracted tune(s)
Tune-23173-Cockle_Gatherer-A-16-2.ps 33235 PostScript
Tune-23173-Cockle_Gatherer-A-16-2.txt 464 Plain-text file with the extracted tune(s)
Tune-23173-get.log 5321 Log file, useful mostly for debugging
These files should be available for 24 hours.