pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2406-20913_Cinderella_Sett_tune_6.ps) >>/Users/jc/w/tmp/Tune-2406-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP2/20913_Cinderella_Sett_tune_6.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-2406-20913_Cinderella_Sett_tune_6.abc 1008 ABC music file with the extracted tune(s)
Tune-2406-20913_Cinderella_Sett_tune_6.ps 37545 PostScript
Tune-2406-20913_Cinderella_Sett_tune_6.txt 1008 Plain-text file with the extracted tune(s)
Tune-2406-get.log 18231 Log file, useful mostly for debugging
Tune-24065-get.log 3504 Log file, useful mostly for debugging
Tune-24067-get.log 3152 Log file, useful mostly for debugging
Tune-24069-get.log 8142 Log file, useful mostly for debugging
These files should be available for 24 hours.