pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-97709-Chappells_One_Hundred_Scotch_Melodies_PD.ps) >>/Users/jc/w/tmp/Tune-97709-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Chappell/Chappells_One_Hundred_Scotch_Melodies_PD.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_97709.log 29582 Log file, useful mostly for debugging
Tune-97709-Chappells_One_Hundred_Scotch_Melodies_PD.abc 451 ABC music file with the extracted tune(s)
Tune-97709-Chappells_One_Hundred_Scotch_Melodies_PD.ps 37234 PostScript
Tune-97709-Chappells_One_Hundred_Scotch_Melodies_PD.txt 451 Plain-text file with the extracted tune(s)
Tune-97709-get.log 5483 Log file, useful mostly for debugging
These files should be available for 24 hours.