pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4782-LaisteridgeLane.ps) >>/Users/jc/w/tmp/Tune-4782-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/England/LaisteridgeLane.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_47825.log 270280 Log file, useful mostly for debugging
Coll_47827.log 287140 Log file, useful mostly for debugging
Tune-4782-LaisteridgeLane.abc 1025 ABC music file with the extracted tune(s)
Tune-4782-LaisteridgeLane.ps 35895 PostScript
Tune-4782-LaisteridgeLane.txt 1025 Plain-text file with the extracted tune(s)
Tune-4782-get.log 4462 Log file, useful mostly for debugging
These files should be available for 24 hours.