pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8956-sessionite.ps) >>/Users/jc/w/tmp/Tune-8956-get.log 2>&1" returned status 256
http://www.feardearg.com/sessionite/docs/sessionite.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_8956.log 136152 Log file, useful mostly for debugging
Coll_89566.log 137362 Log file, useful mostly for debugging
Tune-8956-get.log 85507 Log file, useful mostly for debugging
Tune-8956-sessionite.abc 842 ABC music file with the extracted tune(s)
Tune-8956-sessionite.ps 41346 PostScript
Tune-8956-sessionite.txt 842 Plain-text file with the extracted tune(s)
Tune-89561-07.abc 0 ABC music file with the extracted tune(s)
Tune-89561-07.txt 0 Plain-text file with the extracted tune(s)
Tune-89561-get.log 2801 Log file, useful mostly for debugging
Tune-89562-get.log 3904 Log file, useful mostly for debugging
Tune-89563-SSF_Dance.abc 265 ABC music file with the extracted tune(s)
Tune-89563-SSF_Dance.txt 265 Plain-text file with the extracted tune(s)
Tune-89563-get.log 3255 Log file, useful mostly for debugging
These files should be available for 24 hours.