pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-88108-30691_Toss_the_Feathers.ps) >>/Users/jc/w/tmp/Tune-88108-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP3/30691_Toss_the_Feathers.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-88108-30691_Toss_the_Feathers.abc 811 ABC music file with the extracted tune(s)
Tune-88108-30691_Toss_the_Feathers.ps 34433 PostScript
Tune-88108-30691_Toss_the_Feathers.txt 811 Plain-text file with the extracted tune(s)
Tune-88108-get.log 5013 Log file, useful mostly for debugging
These files should be available for 24 hours.