pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-41583-44_the_Busie_Body.ps) >>/Users/jc/w/tmp/Tune-41583-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Feuillet_Essex/FtFIoD/44_the_Busie_Body.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-41583-44_the_Busie_Body.abc 599 ABC music file with the extracted tune(s)
Tune-41583-44_the_Busie_Body.ps 33974 PostScript
Tune-41583-44_the_Busie_Body.txt 599 Plain-text file with the extracted tune(s)
Tune-41583-get.log 9349 Log file, useful mostly for debugging
These files should be available for 24 hours.