pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-63034-9901.ps) >>/Users/jc/w/tmp/Tune-63034-get.log 2>&1" returned status 256
http://thesession.org/tunes/9901

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_63034.log 268169 Log file, useful mostly for debugging
Tune-63034-9901.abc 349 ABC music file with the extracted tune(s)
Tune-63034-9901.ps 35392 PostScript
Tune-63034-9901.txt 349 Plain-text file with the extracted tune(s)
Tune-63034-get.log 4105 Log file, useful mostly for debugging
These files should be available for 24 hours.