pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-29997-Joan_Sanderson_or_the_Cushion_Dance.ps) >>/Users/jc/w/tmp/Tune-29997-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnWalsh/Joan_Sanderson_or_the_Cushion_Dance.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_29997.log 142202 Log file, useful mostly for debugging
Tune-29997-Joan_Sanderson_or_the_Cushion_Dance.abc 2568 ABC music file with the extracted tune(s)
Tune-29997-Joan_Sanderson_or_the_Cushion_Dance.ps 35037 PostScript
Tune-29997-Joan_Sanderson_or_the_Cushion_Dance.txt 2568 Plain-text file with the extracted tune(s)
Tune-29997-get.log 5627 Log file, useful mostly for debugging
These files should be available for 24 hours.