pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-19686-KoskisenSakarinValssi.ps) >>/Users/jc/w/tmp/Tune-19686-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Finland/KoskisenSakarinValssi.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_19686.log 156995 Log file, useful mostly for debugging
Tune-19686-KoskisenSakarinValssi.abc 1508 ABC music file with the extracted tune(s)
Tune-19686-KoskisenSakarinValssi.ps 41062 PostScript
Tune-19686-KoskisenSakarinValssi.txt 1508 Plain-text file with the extracted tune(s)
Tune-19686-get.log 6437 Log file, useful mostly for debugging
These files should be available for 24 hours.