pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-17228-waltzes.ps) >>/Users/jc/w/tmp/Tune-17228-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/SeymourShlien/nottingham/waltzes.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_17228.log 268169 Log file, useful mostly for debugging
Tune-17228-get.log 4263 Log file, useful mostly for debugging
Tune-17228-waltzes.abc 471 ABC music file with the extracted tune(s)
Tune-17228-waltzes.ps 34925 PostScript
Tune-17228-waltzes.txt 471 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.