pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6866-Cavers_of_Kirkcudbright.ps) >>/Users/jc/w/tmp/Tune-6866-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Contra/Cavers_of_Kirkcudbright.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_68660.log 336315 Log file, useful mostly for debugging
Tune-6866-Cavers_of_Kirkcudbright.abc 1238 ABC music file with the extracted tune(s)
Tune-6866-Cavers_of_Kirkcudbright.ps 40044 PostScript
Tune-6866-Cavers_of_Kirkcudbright.txt 1238 Plain-text file with the extracted tune(s)
Tune-6866-get.log 5309 Log file, useful mostly for debugging
Tune-68665-get.log 14982 Log file, useful mostly for debugging
These files should be available for 24 hours.