pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2878-FoggyRiverReel.ps) >>/Users/jc/w/tmp/Tune-2878-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/FoggyRiverReel.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_28780.log 285735 Log file, useful mostly for debugging
Tune-2878-FoggyRiverReel.abc 2224 ABC music file with the extracted tune(s)
Tune-2878-FoggyRiverReel.ps 49166 PostScript
Tune-2878-FoggyRiverReel.txt 2224 Plain-text file with the extracted tune(s)
Tune-2878-get.log 4923 Log file, useful mostly for debugging
Tune-28783-QueenCityStrathspey-001.svg 16753 Scalable Vector Graphics format
Tune-28783-QueenCityStrathspey.abc 532 ABC music file with the extracted tune(s)
Tune-28783-QueenCityStrathspey.txt 532 Plain-text file with the extracted tune(s)
Tune-28783-get.log 4663 Log file, useful mostly for debugging
These files should be available for 24 hours.