pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8569-BB50.ps) >>/Users/jc/w/tmp/Tune-8569-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/BB50/BB50.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-8569-BB50.abc 1443 ABC music file with the extracted tune(s)
Tune-8569-BB50.ps 47691 PostScript
Tune-8569-BB50.txt 1443 Plain-text file with the extracted tune(s)
Tune-8569-get.log 13971 Log file, useful mostly for debugging
Tune-85694-Chalumeau_55.abc 669 ABC music file with the extracted tune(s)
Tune-85694-Chalumeau_55.malt 3371 Musical Instrument Digital Interface, alternate name for midi format
Tune-85694-Chalumeau_55.mid 3371 Musical Instrument Digital interface, shortened name for midi format
Tune-85694-Chalumeau_55.midi 3371 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-85694-Chalumeau_55.txt 669 Plain-text file with the extracted tune(s)
Tune-85694-get.log 136549 Log file, useful mostly for debugging
These files should be available for 24 hours.