pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-98353-varsovienne.ps) >>/Users/jc/w/tmp/Tune-98353-get.log 2>&1" returned status 256
http://michel.bellon.free.fr/Musique/abc/varsovienne.abc

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-98353-get.log 7516 Log file, useful mostly for debugging
Tune-98353-varsovienne.abc 427 ABC music file with the extracted tune(s)
Tune-98353-varsovienne.ps 34008 PostScript
Tune-98353-varsovienne.txt 427 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.