pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-69568-musk-abc.ps) >>/Users/jc/w/tmp/Tune-69568-get.log 2>&1" returned status 256
http://www.sls.hawaii.edu/bley-vroman/contra/dances/musk-abc.html

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-69568-get.log 5486 Log file, useful mostly for debugging
Tune-69568-musk-abc.abc 837 ABC music file with the extracted tune(s)
Tune-69568-musk-abc.ps 37459 PostScript
Tune-69568-musk-abc.txt 837 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.