pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1356-3169.ps) >>/Users/jc/w/tmp/Tune-1356-get.log 2>&1" returned status 256
http://thesession.org/tunes/3169

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_13567.log 264789 Log file, useful mostly for debugging
Find_13564.log 1403 Log file, useful mostly for debugging
Form_13560.log 628 Log file, useful mostly for debugging
Tune-1356-3169.abc 274 ABC music file with the extracted tune(s)
Tune-1356-3169.ps 36247 PostScript
Tune-1356-3169.txt 274 Plain-text file with the extracted tune(s)
Tune-1356-get.log 3961 Log file, useful mostly for debugging
Tune-13565-get.log 4207 Log file, useful mostly for debugging
These files should be available for 24 hours.