pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1950-70_MerryArchers.ps) >>/Users/jc/w/tmp/Tune-1950-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1791/Thompson/70_MerryArchers.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_19501.log 281521 Log file, useful mostly for debugging
Coll_19506.log 284330 Log file, useful mostly for debugging
Coll_19507.log 289950 Log file, useful mostly for debugging
Tune-1950-70_MerryArchers.abc 770 ABC music file with the extracted tune(s)
Tune-1950-70_MerryArchers.ps 33511 PostScript
Tune-1950-70_MerryArchers.txt 770 Plain-text file with the extracted tune(s)
Tune-1950-get.log 4590 Log file, useful mostly for debugging
Tune-19503-get.log 4935 Log file, useful mostly for debugging
These files should be available for 24 hours.