pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-14666-394.ps) >>/Users/jc/w/tmp/Tune-14666-get.log 2>&1" returned status 256
http://thesession.org/tunes/394

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-14666-394.abc 428 ABC music file with the extracted tune(s)
Tune-14666-394.ps 40244 PostScript
Tune-14666-394.txt 428 Plain-text file with the extracted tune(s)
Tune-14666-get.log 3816 Log file, useful mostly for debugging
These files should be available for 24 hours.