pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-83943-Nancys_Fancy_NMD.ps) >>/Users/jc/w/tmp/Tune-83943-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/Nancys_Fancy_NMD.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-83943-037_Mothers_Birthday.abc 753 ABC music file with the extracted tune(s)
Tune-83943-037_Mothers_Birthday.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-83943-037_Mothers_Birthday.ps 33421 PostScript
Tune-83943-037_Mothers_Birthday.txt 753 Plain-text file with the extracted tune(s)
Tune-83943-Nancys_Fancy_NMD.abc 493 ABC music file with the extracted tune(s)
Tune-83943-Nancys_Fancy_NMD.ps 34851 PostScript
Tune-83943-Nancys_Fancy_NMD.txt 493 Plain-text file with the extracted tune(s)
Tune-83943-get.log 10080 Log file, useful mostly for debugging
These files should be available for 24 hours.