pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-22454-10151_Morellas_Lesson.ps) >>/Users/jc/w/tmp/Tune-22454-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP1/10151_Morellas_Lesson.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-22454-10151_Morellas_Lesson.abc 1016 ABC music file with the extracted tune(s)
Tune-22454-10151_Morellas_Lesson.ps 40695 PostScript
Tune-22454-10151_Morellas_Lesson.txt 1016 Plain-text file with the extracted tune(s)
Tune-22454-get.log 5009 Log file, useful mostly for debugging
These files should be available for 24 hours.