pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9464-038_Irish_Air.ps) >>/Users/jc/w/tmp/Tune-9464-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/HibernianMuse/038_Irish_Air.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_94646.log 726022 Log file, useful mostly for debugging
Coll_94647.log 264661 Log file, useful mostly for debugging
Form_94641.log 1713 Log file, useful mostly for debugging
Form_94642.log 938 Log file, useful mostly for debugging
Tune-9464-038_Irish_Air.abc 801 ABC music file with the extracted tune(s)
Tune-9464-038_Irish_Air.ps 36063 PostScript
Tune-9464-038_Irish_Air.txt 801 Plain-text file with the extracted tune(s)
Tune-9464-get.log 4475 Log file, useful mostly for debugging
Tune-94646-get.log 4383 Log file, useful mostly for debugging
Tune-94648-get.log 6961 Log file, useful mostly for debugging
These files should be available for 24 hours.