pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4457-9057.ps) >>/Users/jc/w/tmp/Tune-4457-get.log 2>&1" returned status 256
http://thesession.org/tunes/9057

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-4457-9057.abc 565 ABC music file with the extracted tune(s)
Tune-4457-9057.ps 40374 PostScript
Tune-4457-9057.txt 565 Plain-text file with the extracted tune(s)
Tune-4457-get.log 4031 Log file, useful mostly for debugging
Tune-44577-get.log 3519 Log file, useful mostly for debugging
Tune-44578-get.log 5996 Log file, useful mostly for debugging
These files should be available for 24 hours.