pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7367-RedHouse.ps) >>/Users/jc/w/tmp/Tune-7367-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/England/RedHouse.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_73671.log 277305 Log file, useful mostly for debugging
Coll_73679.log 572875 Log file, useful mostly for debugging
Tune-7367-RedHouse.abc 1606 ABC music file with the extracted tune(s)
Tune-7367-RedHouse.ps 41652 PostScript
Tune-7367-RedHouse.txt 1606 Plain-text file with the extracted tune(s)
Tune-7367-get.log 4299 Log file, useful mostly for debugging
Tune-73679-get.log 3316 Log file, useful mostly for debugging
These files should be available for 24 hours.