pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7507-ListerW.ps) >>/Users/jc/w/tmp/Tune-7507-get.log 2>&1" returned status 256
http://www.cpartington.plus.com/Links/Lister/ListerW(11-1-17).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_75078.log 869 Log file, useful mostly for debugging
Tune-7507-ListerW.abc 360 ABC music file with the extracted tune(s)
Tune-7507-ListerW.ps 33513 PostScript
Tune-7507-ListerW.txt 360 Plain-text file with the extracted tune(s)
Tune-7507-get.log 65733 Log file, useful mostly for debugging
Tune-75076-get.log 3754 Log file, useful mostly for debugging
These files should be available for 24 hours.