pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-72829-CR66.ps) >>/Users/jc/w/tmp/Tune-72829-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/contra/CR66.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_72829.log 507726 Log file, useful mostly for debugging
Tune-72829-CR66.abc 1435 ABC music file with the extracted tune(s)
Tune-72829-CR66.ps 46601 PostScript
Tune-72829-CR66.txt 1435 Plain-text file with the extracted tune(s)
Tune-72829-get.log 9898 Log file, useful mostly for debugging
These files should be available for 24 hours.