pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6980-5574.ps) >>/Users/jc/w/tmp/Tune-6980-get.log 2>&1" returned status 256
http://sessionite.com/docs/5574.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_69808.log 259149 Log file, useful mostly for debugging
Coll_69809.log 128287 Log file, useful mostly for debugging
Find_69805.log 1515 Log file, useful mostly for debugging
Form_6980.log 875 Log file, useful mostly for debugging
Form_69803.log 850 Log file, useful mostly for debugging
Form_69809.log 828 Log file, useful mostly for debugging
Tune-6980-5574.abc 449 ABC music file with the extracted tune(s)
Tune-6980-5574.ps 38005 PostScript
Tune-6980-5574.txt 449 Plain-text file with the extracted tune(s)
Tune-6980-get.log 4031 Log file, useful mostly for debugging
These files should be available for 24 hours.