pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-84962-FamilieSekstur.ps) >>/Users/jc/w/tmp/Tune-84962-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Denmark/FamilieSekstur.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_84962.log 270279 Log file, useful mostly for debugging
Tune-84962-FamilieSekstur.abc 544 ABC music file with the extracted tune(s)
Tune-84962-FamilieSekstur.ps 35441 PostScript
Tune-84962-FamilieSekstur.txt 544 Plain-text file with the extracted tune(s)
Tune-84962-get.log 10134 Log file, useful mostly for debugging
These files should be available for 24 hours.