pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5846-DickGossipsR3.ps) >>/Users/jc/w/tmp/Tune-5846-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/DickGossipsR3.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_58461.log 885670 Log file, useful mostly for debugging
Coll_58466.log 644010 Log file, useful mostly for debugging
Coll_58468.log 632770 Log file, useful mostly for debugging
Coll_58469.log 798560 Log file, useful mostly for debugging
Tune-5846-DickGossipsR3.abc 906 ABC music file with the extracted tune(s)
Tune-5846-DickGossipsR3.ps 35796 PostScript
Tune-5846-DickGossipsR3.txt 906 Plain-text file with the extracted tune(s)
Tune-5846-get.log 5271 Log file, useful mostly for debugging
These files should be available for 24 hours.