pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-53479-1809_Cahusac_FTM.ps) >>/Users/jc/w/tmp/Tune-53479-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1809_Cahusac_FTM.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_53479.log 445809 Log file, useful mostly for debugging
Tune-53479-1809_Cahusac_FTM.abc 12029 ABC music file with the extracted tune(s)
Tune-53479-1809_Cahusac_FTM.ps 123488 PostScript
Tune-53479-1809_Cahusac_FTM.txt 12029 Plain-text file with the extracted tune(s)
Tune-53479-get.log 17536 Log file, useful mostly for debugging
These files should be available for 24 hours.