pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-90810-0626-0700_jc.ps) >>/Users/jc/w/tmp/Tune-90810-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/oneills/1850/F/0626-0700_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_90810.log 336713 Log file, useful mostly for debugging
Form_90810.log 784 Log file, useful mostly for debugging
Tune-90810-0626-0700_jc.abc 455 ABC music file with the extracted tune(s)
Tune-90810-0626-0700_jc.ps 37569 PostScript
Tune-90810-0626-0700_jc.txt 455 Plain-text file with the extracted tune(s)
Tune-90810-get.log 4421 Log file, useful mostly for debugging
These files should be available for 24 hours.