pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-27966-63_PunchsWedding.ps) >>/Users/jc/w/tmp/Tune-27966-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1791/Thompson/63_PunchsWedding.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_27966.log 291355 Log file, useful mostly for debugging
Tune-27966-63_PunchsWedding.abc 671 ABC music file with the extracted tune(s)
Tune-27966-63_PunchsWedding.ps 33632 PostScript
Tune-27966-63_PunchsWedding.txt 671 Plain-text file with the extracted tune(s)
Tune-27966-get.log 4627 Log file, useful mostly for debugging
These files should be available for 24 hours.