pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1774-StreamsOfLovelyNancy_G.ps) >>/Users/jc/w/tmp/Tune-1774-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Contra/waltz/StreamsOfLovelyNancy_G.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
Form_17748.log 850 Log file, useful mostly for debugging
Tune-1774-StreamsOfLovelyNancy_G.abc 535 ABC music file with the extracted tune(s)
Tune-1774-StreamsOfLovelyNancy_G.ps 35497 PostScript
Tune-1774-StreamsOfLovelyNancy_G.txt 535 Plain-text file with the extracted tune(s)
Tune-1774-get.log 4603 Log file, useful mostly for debugging
Tune-17741-get.log 3323 Log file, useful mostly for debugging
Tune-17744-get.log 4693 Log file, useful mostly for debugging
Tune-17746-get.log 3245 Log file, useful mostly for debugging
These files should be available for 24 hours.