pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5754-HorsburghCastle.ps) >>/Users/jc/w/tmp/Tune-5754-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/HorsburghCastle.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_57543.log 281520 Log file, useful mostly for debugging
Coll_57545.log 268875 Log file, useful mostly for debugging
Tune-5754-HorsburghCastle.abc 2406 ABC music file with the extracted tune(s)
Tune-5754-HorsburghCastle.ps 55859 PostScript
Tune-5754-HorsburghCastle.txt 2406 Plain-text file with the extracted tune(s)
Tune-5754-get.log 5497 Log file, useful mostly for debugging
Tune-57542-NonSeiTu2.abc 2360 ABC music file with the extracted tune(s)
Tune-57542-NonSeiTu2.pdf 50184 Portable Data Format
Tune-57542-NonSeiTu2.ps 51428 PostScript
Tune-57542-NonSeiTu2.txt 2360 Plain-text file with the extracted tune(s)
Tune-57542-get.log 5508 Log file, useful mostly for debugging
These files should be available for 24 hours.