pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-78014-bwreels.ps) >>/Users/jc/w/tmp/Tune-78014-get.log 2>&1" returned status 256
http://www.novasession.com/bw/bwreels.txt

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_78014.log 790 Log file, useful mostly for debugging
Tune-78014-bwreels.abc 0 ABC music file with the extracted tune(s)
Tune-78014-bwreels.ps 0 PostScript
Tune-78014-get.log 4063 Log file, useful mostly for debugging
These files should be available for 24 hours.