pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5384-CanadianBarnDance.ps) >>/Users/jc/w/tmp/Tune-5384-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/CanadianBarnDance.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_53845.log 271685 Log file, useful mostly for debugging
Tune-5384-CanadianBarnDance.abc 869 ABC music file with the extracted tune(s)
Tune-5384-CanadianBarnDance.ps 40042 PostScript
Tune-5384-CanadianBarnDance.txt 869 Plain-text file with the extracted tune(s)
Tune-5384-get.log 4512 Log file, useful mostly for debugging
Tune-53844-HoleInTheWall.abc 1549 ABC music file with the extracted tune(s)
Tune-53844-HoleInTheWall.ps 45644 PostScript
Tune-53844-HoleInTheWall.txt 1549 Plain-text file with the extracted tune(s)
Tune-53844-get.log 4472 Log file, useful mostly for debugging
Tune-53845-MomentOfTruth.abc 2540 ABC music file with the extracted tune(s)
Tune-53845-MomentOfTruth.ps 57288 PostScript
Tune-53845-MomentOfTruth.txt 2540 Plain-text file with the extracted tune(s)
Tune-53845-get.log 4940 Log file, useful mostly for debugging
Tune-53848-Tullochgorm0.abc 1290 ABC music file with the extracted tune(s)
Tune-53848-Tullochgorm0.ps 41111 PostScript
Tune-53848-Tullochgorm0.txt 1290 Plain-text file with the extracted tune(s)
Tune-53848-get.log 4873 Log file, useful mostly for debugging
These files should be available for 24 hours.