pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5939-20682_Bridges_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-5939-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20682_Bridges_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_5939.log 270281 Log file, useful mostly for debugging
Coll_59392.log 264661 Log file, useful mostly for debugging
Coll_59394.log 263256 Log file, useful mostly for debugging
Coll_59399.log 547588 Log file, useful mostly for debugging
Form_59392.log 966 Log file, useful mostly for debugging
Tune-5939-20682_Bridges_Hornpipe.abc 692 ABC music file with the extracted tune(s)
Tune-5939-20682_Bridges_Hornpipe.ps 35033 PostScript
Tune-5939-20682_Bridges_Hornpipe.txt 692 Plain-text file with the extracted tune(s)
Tune-5939-get.log 4875 Log file, useful mostly for debugging
Tune-59399-get.log 5118 Log file, useful mostly for debugging
These files should be available for 24 hours.