pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-54102-3202_Scots_Wha_Hae.ps) >>/Users/jc/w/tmp/Tune-54102-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM3/3202_Scots_Wha_Hae.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-54102-3202_Scots_Wha_Hae.abc 426 ABC music file with the extracted tune(s)
Tune-54102-3202_Scots_Wha_Hae.ps 34361 PostScript
Tune-54102-3202_Scots_Wha_Hae.txt 426 Plain-text file with the extracted tune(s)
Tune-54102-get.log 4679 Log file, useful mostly for debugging
These files should be available for 24 hours.