pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6929-Bagatelle.ps) >>/Users/jc/w/tmp/Tune-6929-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/england/Bagatelle.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_69297.log 385964 Log file, useful mostly for debugging
Coll_69298.log 572875 Log file, useful mostly for debugging
Tune-6929-Bagatelle.abc 1583 ABC music file with the extracted tune(s)
Tune-6929-Bagatelle.ps 43146 PostScript
Tune-6929-Bagatelle.txt 1583 Plain-text file with the extracted tune(s)
Tune-6929-get.log 5254 Log file, useful mostly for debugging
Tune-69299-get.log 4480 Log file, useful mostly for debugging
These files should be available for 24 hours.