pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-80184-Mary_McKays_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-80184-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Mary_McKays_Hornpipe.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_80184.log 249206 Log file, useful mostly for debugging
Form_80184.log 1940 Log file, useful mostly for debugging
Tune-80184-00_Title-001.svg 3981 Scalable Vector Graphics format
Tune-80184-00_Title.abc 983 ABC music file with the extracted tune(s)
Tune-80184-00_Title.txt 983 Plain-text file with the extracted tune(s)
Tune-80184-Mary_McKays_Hornpipe.abc 443 ABC music file with the extracted tune(s)
Tune-80184-Mary_McKays_Hornpipe.ps 34855 PostScript
Tune-80184-Mary_McKays_Hornpipe.txt 443 Plain-text file with the extracted tune(s)
Tune-80184-get.log 12583 Log file, useful mostly for debugging
These files should be available for 24 hours.