pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-72649-PatienceQuadrille_P2.ps) >>/Users/jc/w/tmp/Tune-72649-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/PatienceQuadrille_P2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-72649-PatienceQuadrille_P2.abc 1679 ABC music file with the extracted tune(s)
Tune-72649-PatienceQuadrille_P2.ps 48070 PostScript
Tune-72649-PatienceQuadrille_P2.txt 1679 Plain-text file with the extracted tune(s)
Tune-72649-SpeedThePloughReel-001.svg 26137 Scalable Vector Graphics format
Tune-72649-SpeedThePloughReel.abc 511 ABC music file with the extracted tune(s)
Tune-72649-SpeedThePloughReel.txt 511 Plain-text file with the extracted tune(s)
Tune-72649-get.log 8948 Log file, useful mostly for debugging
These files should be available for 24 hours.