pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-77423-trans.ps) >>/Users/jc/w/tmp/Tune-77423-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CSR/trans.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_77423.log 1230598 Log file, useful mostly for debugging
Tune-77423-get.log 3813 Log file, useful mostly for debugging
Tune-77423-trans.abc 211 ABC music file with the extracted tune(s)
Tune-77423-trans.ps 6 PostScript
Tune-77423-trans.txt 211 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.