pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-24262-NewColl44Cot2.ps) >>/Users/jc/w/tmp/Tune-24262-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gallini/NewColl44Cot/NewColl44Cot2.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Tune-24262-0351_.abc 64 ABC music file with the extracted tune(s)
Tune-24262-0351_.txt 64 Plain-text file with the extracted tune(s)
Tune-24262-NewColl44Cot2.abc 99588 ABC music file with the extracted tune(s)
Tune-24262-NewColl44Cot2.ps 640786 PostScript
Tune-24262-NewColl44Cot2.txt 99588 Plain-text file with the extracted tune(s)
Tune-24262-get.log 39263 Log file, useful mostly for debugging
These files should be available for 24 hours.