pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-76669-New_Road_to_Alston.ps) >>/Users/jc/w/tmp/Tune-76669-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/OldEnglishCountryDances/New_Road_to_Alston.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_76669.log 287455 Log file, useful mostly for debugging
Form_76669.log 916 Log file, useful mostly for debugging
Tune-76669-New_Road_to_Alston.abc 494 ABC music file with the extracted tune(s)
Tune-76669-New_Road_to_Alston.ps 33308 PostScript
Tune-76669-New_Road_to_Alston.txt 494 Plain-text file with the extracted tune(s)
Tune-76669-get.log 5069 Log file, useful mostly for debugging
These files should be available for 24 hours.