pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3580-6460.ps) >>/Users/jc/w/tmp/Tune-3580-get.log 2>&1" returned status 256
http://thesession.org/tunes/6460

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_35803.log 829 Log file, useful mostly for debugging
Tune-3580-6460.abc 328 ABC music file with the extracted tune(s)
Tune-3580-6460.ps 37060 PostScript
Tune-3580-6460.txt 328 Plain-text file with the extracted tune(s)
Tune-3580-get.log 7752 Log file, useful mostly for debugging
Tune-35803-get.log 7229 Log file, useful mostly for debugging
Tune-35805-Kohlers.abc 601 ABC music file with the extracted tune(s)
Tune-35805-Kohlers.txt 601 Plain-text file with the extracted tune(s)
Tune-35805-get.log 3033 Log file, useful mostly for debugging
Tune-35809-get.log 4199 Log file, useful mostly for debugging
These files should be available for 24 hours.