pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6911-LordEglintonsReel1.ps) >>/Users/jc/w/tmp/Tune-6911-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/LordEglintonsReel1.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_6911.log 291355 Log file, useful mostly for debugging
Coll_69118.log 284330 Log file, useful mostly for debugging
Tune-6911-LordEglintonsReel1.abc 1049 ABC music file with the extracted tune(s)
Tune-6911-LordEglintonsReel1.ps 37216 PostScript
Tune-6911-LordEglintonsReel1.txt 1049 Plain-text file with the extracted tune(s)
Tune-6911-get.log 5019 Log file, useful mostly for debugging
Tune-69112-MilanovoKolo-001.svg 38372 Scalable Vector Graphics format
Tune-69112-MilanovoKolo.abc 1236 ABC music file with the extracted tune(s)
Tune-69112-MilanovoKolo.txt 1236 Plain-text file with the extracted tune(s)
Tune-69112-get.log 3962 Log file, useful mostly for debugging
These files should be available for 24 hours.