pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-79317-Pols_Alvdalen2.ps) >>/Users/jc/w/tmp/Tune-79317-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/scand/Pols_Alvdalen2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-79317-Pols_Alvdalen2.abc 1945 ABC music file with the extracted tune(s)
Tune-79317-Pols_Alvdalen2.ps 50558 PostScript
Tune-79317-Pols_Alvdalen2.txt 1945 Plain-text file with the extracted tune(s)
Tune-79317-get.log 4521 Log file, useful mostly for debugging
These files should be available for 24 hours.