pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9811-Captain_Gillan-A-16-3.ps) >>/Users/jc/w/tmp/Tune-9811-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/strathspey2/Captain_Gillan-A-16-3.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_98111.log 145384 Log file, useful mostly for debugging
Coll_98113.log 363010 Log file, useful mostly for debugging
Coll_98118.log 651554 Log file, useful mostly for debugging
Tune-9811-Captain_Gillan-A-16-3.abc 543 ABC music file with the extracted tune(s)
Tune-9811-Captain_Gillan-A-16-3.ps 37215 PostScript
Tune-9811-Captain_Gillan-A-16-3.txt 543 Plain-text file with the extracted tune(s)
Tune-9811-get.log 4696 Log file, useful mostly for debugging
Tune-98110-get.log 5921 Log file, useful mostly for debugging
Tune-98117-get.log 5122 Log file, useful mostly for debugging
Tune-98119-get.log 4698 Log file, useful mostly for debugging
These files should be available for 24 hours.