pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3304-31583_Kitty_of_Coleraine.ps) >>/Users/jc/w/tmp/Tune-3304-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP3/31583_Kitty_of_Coleraine.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_33040.log 789 Log file, useful mostly for debugging
Tune-3304-31583_Kitty_of_Coleraine.abc 454 ABC music file with the extracted tune(s)
Tune-3304-31583_Kitty_of_Coleraine.ps 33185 PostScript
Tune-3304-31583_Kitty_of_Coleraine.txt 454 Plain-text file with the extracted tune(s)
Tune-3304-get.log 9896 Log file, useful mostly for debugging
Tune-33049-get.log 2809694 Log file, useful mostly for debugging
These files should be available for 24 hours.