pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5900-BannocksAndBrose2.ps) >>/Users/jc/w/tmp/Tune-5900-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/BannocksAndBrose2.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_5900.log 552686 Log file, useful mostly for debugging
Coll_59003.log 287144 Log file, useful mostly for debugging
Tune-5900-BannocksAndBrose2.abc 1888 ABC music file with the extracted tune(s)
Tune-5900-BannocksAndBrose2.ps 47614 PostScript
Tune-5900-BannocksAndBrose2.txt 1888 Plain-text file with the extracted tune(s)
Tune-5900-get.log 5008 Log file, useful mostly for debugging
Tune-59003-BraesOfAtholl0.abc 1326 ABC music file with the extracted tune(s)
Tune-59003-BraesOfAtholl0.ps 44374 PostScript
Tune-59003-BraesOfAtholl0.txt 1326 Plain-text file with the extracted tune(s)
Tune-59003-get.log 4488 Log file, useful mostly for debugging
These files should be available for 24 hours.