pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4624-GloryoftheNorthThe_PLFD1657_143.ps) >>/Users/jc/w/tmp/Tune-4624-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/GloryoftheNorthThe_PLFD1657_143.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_46249.log 454210 Log file, useful mostly for debugging
Tune-4624-GloryoftheNorthThe_PLFD1657_143.abc 388 ABC music file with the extracted tune(s)
Tune-4624-GloryoftheNorthThe_PLFD1657_143.ps 34254 PostScript
Tune-4624-GloryoftheNorthThe_PLFD1657_143.txt 388 Plain-text file with the extracted tune(s)
Tune-4624-get.log 8514 Log file, useful mostly for debugging
Tune-46240-get.log 4836 Log file, useful mostly for debugging
Tune-46244-get.log 4788 Log file, useful mostly for debugging
These files should be available for 24 hours.