pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-24921-181_Unnamed.ps) >>/Users/jc/w/tmp/Tune-24921-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnTreat/GftF/181_Unnamed.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-24921-181_Unnamed.abc 615 ABC music file with the extracted tune(s)
Tune-24921-181_Unnamed.ps 33146 PostScript
Tune-24921-181_Unnamed.txt 615 Plain-text file with the extracted tune(s)
Tune-24921-get.log 7695 Log file, useful mostly for debugging
These files should be available for 24 hours.