pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-21962-4095.ps) >>/Users/jc/w/tmp/Tune-21962-get.log 2>&1" returned status 256
http://thesession.org/tunes/4095

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-21962-4095.abc 224 ABC music file with the extracted tune(s)
Tune-21962-4095.ps 34811 PostScript
Tune-21962-4095.txt 224 Plain-text file with the extracted tune(s)
Tune-21962-get.log 3908 Log file, useful mostly for debugging
These files should be available for 24 hours.