pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-15434-ColRobertsonOfStrewansWelcomeHome.ps) >>/Users/jc/w/tmp/Tune-15434-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/VillageMusicProject/ColRobertsonOfStrewansWelcomeHome.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_15434.log 295969 Log file, useful mostly for debugging
Tune-15434-ColRobertsonOfStrewansWelcomeHome.abc 392 ABC music file with the extracted tune(s)
Tune-15434-ColRobertsonOfStrewansWelcomeHome.ps 34197 PostScript
Tune-15434-ColRobertsonOfStrewansWelcomeHome.txt 392 Plain-text file with the extracted tune(s)
Tune-15434-get.log 5665 Log file, useful mostly for debugging
These files should be available for 24 hours.