pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-29798-Song17.ps) >>/Users/jc/w/tmp/Tune-29798-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Finland/Song17.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_29798.log 1631 Log file, useful mostly for debugging
Tune-29798-Song17.abc 2357 ABC music file with the extracted tune(s)
Tune-29798-Song17.ps 50129 PostScript
Tune-29798-Song17.txt 2357 Plain-text file with the extracted tune(s)
Tune-29798-get.log 4454 Log file, useful mostly for debugging
These files should be available for 24 hours.