pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-65894-6460.ps) >>/Users/jc/w/tmp/Tune-65894-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_65894.log 775 Log file, useful mostly for debugging
Tune-65894-6460.abc 313 ABC music file with the extracted tune(s)
Tune-65894-6460.ps 36753 PostScript
Tune-65894-6460.txt 313 Plain-text file with the extracted tune(s)
Tune-65894-get.log 4033 Log file, useful mostly for debugging
These files should be available for 24 hours.