pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6208-G-polka.ps) >>/Users/jc/w/tmp/Tune-6208-get.log 2>&1" returned status 256
http://www.thisoldtractor.com/guzzi007/Scottish_Tome/G-polka.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_62088.log 259149 Log file, useful mostly for debugging
Form_62080.log 838 Log file, useful mostly for debugging
Form_62084.log 860 Log file, useful mostly for debugging
Tune-6208-G-polka.abc 1393 ABC music file with the extracted tune(s)
Tune-6208-G-polka.ps 53548 PostScript
Tune-6208-G-polka.txt 1393 Plain-text file with the extracted tune(s)
Tune-6208-get.log 4419 Log file, useful mostly for debugging
Tune-62089-get.log 23875 Log file, useful mostly for debugging
These files should be available for 24 hours.