pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-89079-LOWHOLL7.ps) >>/Users/jc/w/tmp/Tune-89079-get.log 2>&1" returned status 256
http://sniff.numachi.com/abc/LOWHOLL7.abc

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_89079.log 135547 Log file, useful mostly for debugging
Tune-89079-LOWHOLL7.abc 176 ABC music file with the extracted tune(s)
Tune-89079-LOWHOLL7.ps 33468 PostScript
Tune-89079-LOWHOLL7.txt 176 Plain-text file with the extracted tune(s)
Tune-89079-get.log 8382 Log file, useful mostly for debugging
These files should be available for 24 hours.