pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-84247-Bob_o_Dowally.ps) >>/Users/jc/w/tmp/Tune-84247-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CCD/cache/Bob_o_Dowally.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
Tune-84247-Bob_o_Dowally.abc 615 ABC music file with the extracted tune(s)
Tune-84247-Bob_o_Dowally.ps 39029 PostScript
Tune-84247-Bob_o_Dowally.txt 615 Plain-text file with the extracted tune(s)
Tune-84247-get.log 5278 Log file, useful mostly for debugging
These files should be available for 24 hours.