pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-25437-507_Madm_Buonapartes_Waltz.ps) >>/Users/jc/w/tmp/Tune-25437-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1803/Preston/507_Madm_Buonapartes_Waltz.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-25437-507_Madm_Buonapartes_Waltz.abc 960 ABC music file with the extracted tune(s)
Tune-25437-507_Madm_Buonapartes_Waltz.ps 36226 PostScript
Tune-25437-507_Madm_Buonapartes_Waltz.txt 960 Plain-text file with the extracted tune(s)
Tune-25437-get.log 4896 Log file, useful mostly for debugging
These files should be available for 24 hours.