pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-43571-7376.ps) >>/Users/jc/w/tmp/Tune-43571-get.log 2>&1" returned status 256
http://thesession.org/tunes/7376

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_43571.log 1023396 Log file, useful mostly for debugging
Tune-43571-7376.abc 293 ABC music file with the extracted tune(s)
Tune-43571-7376.ps 35938 PostScript
Tune-43571-7376.txt 293 Plain-text file with the extracted tune(s)
Tune-43571-get.log 4064 Log file, useful mostly for debugging
These files should be available for 24 hours.