pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5790-HillsOfLangholm.ps) >>/Users/jc/w/tmp/Tune-5790-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/HillsOfLangholm.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_57901.log 281520 Log file, useful mostly for debugging
Coll_57906.log 282925 Log file, useful mostly for debugging
Tune-5790-HillsOfLangholm.abc 2412 ABC music file with the extracted tune(s)
Tune-5790-HillsOfLangholm.ps 52147 PostScript
Tune-5790-HillsOfLangholm.txt 2412 Plain-text file with the extracted tune(s)
Tune-5790-get.log 4968 Log file, useful mostly for debugging
Tune-57903-___-001.svg 36530 Scalable Vector Graphics format
Tune-57903-___.abc 1677 ABC music file with the extracted tune(s)
Tune-57903-___.txt 1677 Plain-text file with the extracted tune(s)
Tune-57903-get.log 5759 Log file, useful mostly for debugging
These files should be available for 24 hours.