pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-94089-4371_McFarlanes_Rant.ps) >>/Users/jc/w/tmp/Tune-94089-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/4371_McFarlanes_Rant.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_94089.log 270284 Log file, useful mostly for debugging
Tune-94089-4371_McFarlanes_Rant.abc 710 ABC music file with the extracted tune(s)
Tune-94089-4371_McFarlanes_Rant.ps 36163 PostScript
Tune-94089-4371_McFarlanes_Rant.txt 710 Plain-text file with the extracted tune(s)
Tune-94089-get.log 4624 Log file, useful mostly for debugging
These files should be available for 24 hours.