X:29 not found in http://yves.belotteau.pagesperso-orange.fr/Musique/scottish.txt
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-76723-scottish.ps) >>/Users/jc/w/tmp/Tune-76723-get.log 2>&1" returned status 256
http://yves.belotteau.pagesperso-orange.fr/Musique/scottish.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
Tune-76723-get.log 4289 Log file, useful mostly for debugging
Tune-76723-scottish.abc 0 ABC music file with the extracted tune(s)
Tune-76723-scottish.ps 6 PostScript
Tune-76723-scottish.txt 0 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.