pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6490-SeannTriubhasWillichan3.ps) >>/Users/jc/w/tmp/Tune-6490-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/SeannTriubhasWillichan3.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_64900.log 285735 Log file, useful mostly for debugging
Coll_64902.log 284330 Log file, useful mostly for debugging
Coll_64905.log 1602876 Log file, useful mostly for debugging
Tune-6490-SeannTriubhasWillichan3.abc 2855 ABC music file with the extracted tune(s)
Tune-6490-SeannTriubhasWillichan3.ps 50684 PostScript
Tune-6490-SeannTriubhasWillichan3.txt 2855 Plain-text file with the extracted tune(s)
Tune-6490-get.log 5244 Log file, useful mostly for debugging
Tune-64900-BasquetteGarlandDance-001.svg 87576 Scalable Vector Graphics format
Tune-64900-BasquetteGarlandDance.abc 1719 ABC music file with the extracted tune(s)
Tune-64900-BasquetteGarlandDance.txt 1719 Plain-text file with the extracted tune(s)
Tune-64900-get.log 4287 Log file, useful mostly for debugging
These files should be available for 24 hours.