pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6442-11694_n_Comun_Rioghail_Gaelach_the_Highland_Society_of_Scotland.ps) >>/Users/jc/w/tmp/Tune-6442-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Hamilton/HUTB1/11694_n_Comun_Rioghail_Gaelach_the_Highland_Society_of_Scotland.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_64425.log 139253 Log file, useful mostly for debugging
Form_6442.log 910 Log file, useful mostly for debugging
Tune-6442-11694_n_Comun_Rioghail_Gaelach_the_Highland_Society_of_Scotland.abc 1160 ABC music file with the extracted tune(s)
Tune-6442-11694_n_Comun_Rioghail_Gaelach_the_Highland_Society_of_Scotland.ps 36867 PostScript
Tune-6442-11694_n_Comun_Rioghail_Gaelach_the_Highland_Society_of_Scotland.txt 1160 Plain-text file with the extracted tune(s)
Tune-6442-get.log 6447 Log file, useful mostly for debugging
Tune-64426-WaltzEtc.abc 394 ABC music file with the extracted tune(s)
Tune-64426-WaltzEtc.txt 394 Plain-text file with the extracted tune(s)
Tune-64426-get.log 6897 Log file, useful mostly for debugging
These files should be available for 24 hours.