pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1111-schott.ps) >>/Users/jc/w/tmp/Tune-1111-get.log 2>&1" returned status 256
http://www.gulfweb.net/rlwalker/abc/!ABCCollections/SchottlandFolksongs/schott/schott.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_11110.log 261969 Log file, useful mostly for debugging
Coll_11112.log 137362 Log file, useful mostly for debugging
Tune-1111-get.log 4910 Log file, useful mostly for debugging
Tune-1111-schott.abc 543 ABC music file with the extracted tune(s)
Tune-1111-schott.ps 37904 PostScript
Tune-1111-schott.txt 543 Plain-text file with the extracted tune(s)
Tune-11112-get.log 3019 Log file, useful mostly for debugging
Tune-11119-get.log 1636 Log file, useful mostly for debugging
These files should be available for 24 hours.