pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-54560-SelectionOfDancesReelsAndWaltzes_1.ps) >>/Users/jc/w/tmp/Tune-54560-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Button_Whitaker/SelectionOfDancesReelsAndWaltzes_1.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_54560.log 756 Log file, useful mostly for debugging
Tune-54560-SelectionOfDancesReelsAndWaltzes_1.abc 1220 ABC music file with the extracted tune(s)
Tune-54560-SelectionOfDancesReelsAndWaltzes_1.ps 37848 PostScript
Tune-54560-SelectionOfDancesReelsAndWaltzes_1.txt 1220 Plain-text file with the extracted tune(s)
Tune-54560-get.log 14460 Log file, useful mostly for debugging
These files should be available for 24 hours.