pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-51915-moreTunes.ps) >>/Users/jc/w/tmp/Tune-51915-get.log 2>&1" returned status 256
http://www.ceolas.org/pub/tunes/abc.tunes/moreTunes.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
Form_51915.log 894 Log file, useful mostly for debugging
Tune-51915-get.log 4336 Log file, useful mostly for debugging
Tune-51915-moreTunes.abc 265 ABC music file with the extracted tune(s)
Tune-51915-moreTunes.ps 33997 PostScript
Tune-51915-moreTunes.txt 265 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.