pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9214-20423_Stacys_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-9214-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP2/20423_Stacys_Hornpipe.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-9214-20423_Stacys_Hornpipe.abc 945 ABC music file with the extracted tune(s)
Tune-9214-20423_Stacys_Hornpipe.ps 37807 PostScript
Tune-9214-20423_Stacys_Hornpipe.txt 945 Plain-text file with the extracted tune(s)
Tune-9214-get.log 5037 Log file, useful mostly for debugging
Tune-92143-get.log 10062 Log file, useful mostly for debugging
Tune-92144-get.log 5372 Log file, useful mostly for debugging
Tune-92146-get.log 7971 Log file, useful mostly for debugging
Tune-92147-24CountryDances_1810_Button_Whitaker_Elegant.abc 181 ABC music file with the extracted tune(s)
Tune-92147-24CountryDances_1810_Button_Whitaker_Elegant.ps 6 PostScript
Tune-92147-24CountryDances_1810_Button_Whitaker_Elegant.txt 181 Plain-text file with the extracted tune(s)
Tune-92147-get.log 4705 Log file, useful mostly for debugging
Tune-92148-get.log 8559 Log file, useful mostly for debugging
Tune-92149-get.log 5551 Log file, useful mostly for debugging
These files should be available for 24 hours.