pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2415-0764_McFARLANES_STRATHSPEY.ps) >>/Users/jc/w/tmp/Tune-2415-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BostonCollection/0764_McFARLANES_STRATHSPEY.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_24150.log 957 Log file, useful mostly for debugging
Tune-2415-0764_McFARLANES_STRATHSPEY.abc 598 ABC music file with the extracted tune(s)
Tune-2415-0764_McFARLANES_STRATHSPEY.ps 35400 PostScript
Tune-2415-0764_McFARLANES_STRATHSPEY.txt 598 Plain-text file with the extracted tune(s)
Tune-2415-get.log 4901 Log file, useful mostly for debugging
Tune-24150-get.log 3227 Log file, useful mostly for debugging
Tune-24151-get.log 9166 Log file, useful mostly for debugging
Tune-24158-get.log 4618 Log file, useful mostly for debugging
These files should be available for 24 hours.