pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-48537-11321.ps) >>/Users/jc/w/tmp/Tune-48537-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Button_Whitaker/SelectionOfDancesReelsAndWaltzes/11321=SPANISH_PATRIOTS.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
Coll_48537.log 261969 Log file, useful mostly for debugging
Tune-48537-11321.abc 1381 ABC music file with the extracted tune(s)
Tune-48537-11321.ps 39901 PostScript
Tune-48537-11321.txt 1381 Plain-text file with the extracted tune(s)
Tune-48537-get.log 9821 Log file, useful mostly for debugging
These files should be available for 24 hours.