pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-73059-11241_Duetto_Allegro.ps) >>/Users/jc/w/tmp/Tune-73059-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MoF/11241_Duetto_Allegro.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-73059-11241_Duetto_Allegro.abc 1291 ABC music file with the extracted tune(s)
Tune-73059-11241_Duetto_Allegro.ps 41169 PostScript
Tune-73059-11241_Duetto_Allegro.txt 1291 Plain-text file with the extracted tune(s)
Tune-73059-24CountryDances_1765_Thompson.abc 164 ABC music file with the extracted tune(s)
Tune-73059-24CountryDances_1765_Thompson.ps 6 PostScript
Tune-73059-24CountryDances_1765_Thompson.txt 164 Plain-text file with the extracted tune(s)
Tune-73059-get.log 8999 Log file, useful mostly for debugging
These files should be available for 24 hours.