pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1656-11021_Duetto_Tempo_di_Minuetto.ps) >>/Users/jc/w/tmp/Tune-1656-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MoF/11021_Duetto_Tempo_di_Minuetto.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-1656-11021_Duetto_Tempo_di_Minuetto.abc 1206 ABC music file with the extracted tune(s)
Tune-1656-11021_Duetto_Tempo_di_Minuetto.ps 40413 PostScript
Tune-1656-11021_Duetto_Tempo_di_Minuetto.txt 1206 Plain-text file with the extracted tune(s)
Tune-1656-get.log 5126 Log file, useful mostly for debugging
Tune-16562-get.log 1312 Log file, useful mostly for debugging
Tune-16568-get.log 1496 Log file, useful mostly for debugging
These files should be available for 24 hours.