pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-72085-fpower.ps) >>/Users/jc/w/tmp/Tune-72085-get.log 2>&1" returned status 256
http://www.blackflute.com/music/tunes/waltzes/fpower.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_72085.log 28514 Log file, useful mostly for debugging
Tune-72085-fpower.abc 315 ABC music file with the extracted tune(s)
Tune-72085-fpower.ps 34948 PostScript
Tune-72085-fpower.txt 315 Plain-text file with the extracted tune(s)
Tune-72085-get.log 4180 Log file, useful mostly for debugging
These files should be available for 24 hours.