pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3422-BraesOfTulliemet0.ps) >>/Users/jc/w/tmp/Tune-3422-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/BraesOfTulliemet0.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_34220.log 285735 Log file, useful mostly for debugging
Tune-3422-BraesOfTulliemet0.abc 1541 ABC music file with the extracted tune(s)
Tune-3422-BraesOfTulliemet0.ps 50096 PostScript
Tune-3422-BraesOfTulliemet0.txt 1541 Plain-text file with the extracted tune(s)
Tune-3422-get.log 6624 Log file, useful mostly for debugging
Tune-34223-barn_t.abc 4842 ABC music file with the extracted tune(s)
Tune-34223-barn_t.pdf 103964 Portable Data Format
Tune-34223-barn_t.ps 77755 PostScript
Tune-34223-barn_t.txt 4842 Plain-text file with the extracted tune(s)
Tune-34223-get.log 15683 Log file, useful mostly for debugging
These files should be available for 24 hours.