pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8190-0201-0300_jc.ps) >>/Users/jc/w/tmp/Tune-8190-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/oneills/1850/F/0201-0300_jc.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_81907.log 128368 Log file, useful mostly for debugging
Tune-8190-0201-0300_jc.abc 360 ABC music file with the extracted tune(s)
Tune-8190-0201-0300_jc.ps 34676 PostScript
Tune-8190-0201-0300_jc.txt 360 Plain-text file with the extracted tune(s)
Tune-8190-get.log 4232 Log file, useful mostly for debugging
Tune-81901-get.log 1732 Log file, useful mostly for debugging
Tune-81909-get.log 3618 Log file, useful mostly for debugging
Tune-81909-tb18-001.svg 17994 Scalable Vector Graphics format
Tune-81909-tb18.abc 270 ABC music file with the extracted tune(s)
Tune-81909-tb18.txt 270 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.