pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-80584-732_Allemande_la_Grande.ps) >>/Users/jc/w/tmp/Tune-80584-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1782/Thompson/732_Allemande_la_Grande.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_80584.log 281520 Log file, useful mostly for debugging
Tune-80584-732_Allemande_la_Grande.abc 775 ABC music file with the extracted tune(s)
Tune-80584-732_Allemande_la_Grande.ps 33389 PostScript
Tune-80584-732_Allemande_la_Grande.txt 775 Plain-text file with the extracted tune(s)
Tune-80584-get.log 4810 Log file, useful mostly for debugging
These files should be available for 24 hours.