pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9156-Singles.ps) >>/Users/jc/w/tmp/Tune-9156-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/SAFD/_/Singles.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
Form_91560.log 907 Log file, useful mostly for debugging
Tune-9156-Singles.abc 664 ABC music file with the extracted tune(s)
Tune-9156-Singles.ps 34890 PostScript
Tune-9156-Singles.txt 664 Plain-text file with the extracted tune(s)
Tune-9156-get.log 48254 Log file, useful mostly for debugging
Tune-91563-Book22.abc 369 ABC music file with the extracted tune(s)
Tune-91563-Book22.txt 369 Plain-text file with the extracted tune(s)
Tune-91563-get.log 2945 Log file, useful mostly for debugging
Tune-91564-get.log 4221 Log file, useful mostly for debugging
Tune-91565-get.log 4082 Log file, useful mostly for debugging
Tune-91569-get.log 0 Log file, useful mostly for debugging
These files should be available for 24 hours.