pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4650-IRWIN.ps) >>/Users/jc/w/tmp/Tune-4650-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Irwin/IRWIN(12-4-16).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
Find_46509.log 1411 Log file, useful mostly for debugging
Form_46503.log 0 Log file, useful mostly for debugging
Tune-4650-IRWIN.abc 475 ABC music file with the extracted tune(s)
Tune-4650-IRWIN.ps 35590 PostScript
Tune-4650-IRWIN.txt 475 Plain-text file with the extracted tune(s)
Tune-4650-get.log 4412 Log file, useful mostly for debugging
Tune-46502-get.log 3889 Log file, useful mostly for debugging
Tune-46503-get.log 1430 Log file, useful mostly for debugging
Tune-46508-get.log 7110 Log file, useful mostly for debugging
Tune-46509-get.log 2869 Log file, useful mostly for debugging
These files should be available for 24 hours.