pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6590-gallaghers_frolics.ps) >>/Users/jc/w/tmp/Tune-6590-get.log 2>&1" returned status 256
http://www.piper-frank.de/tunebook/trad/abc/gallaghers_frolics.txt

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_65901.log 47 Log file, useful mostly for debugging
Coll_65908.log 254919 Log file, useful mostly for debugging
Tune-6590-gallaghers_frolics.abc 2647 ABC music file with the extracted tune(s)
Tune-6590-gallaghers_frolics.ps 35100 PostScript
Tune-6590-gallaghers_frolics.txt 2647 Plain-text file with the extracted tune(s)
Tune-6590-get.log 4550 Log file, useful mostly for debugging
Tune-65900-get.log 13365 Log file, useful mostly for debugging
These files should be available for 24 hours.