pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4725-31583_Kitty_of_Coleraine.ps) >>/Users/jc/w/tmp/Tune-4725-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:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_47254.log 445808 Log file, useful mostly for debugging
Coll_47255.log 291809 Log file, useful mostly for debugging
Form_47250.log 874 Log file, useful mostly for debugging
Form_47257.log 881 Log file, useful mostly for debugging
Form_47259.log 998 Log file, useful mostly for debugging
Tune-4725-31583_Kitty_of_Coleraine.abc 581 ABC music file with the extracted tune(s)
Tune-4725-31583_Kitty_of_Coleraine.ps 33172 PostScript
Tune-4725-31583_Kitty_of_Coleraine.txt 581 Plain-text file with the extracted tune(s)
Tune-4725-get.log 4927 Log file, useful mostly for debugging
These files should be available for 24 hours.