pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-38161-La_Visitte.ps) >>/Users/jc/w/tmp/Tune-38161-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Brewer/La_Visitte.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_38161.log 144093 Log file, useful mostly for debugging
Tune-38161-La_Visitte.abc 300 ABC music file with the extracted tune(s)
Tune-38161-La_Visitte.ps 33447 PostScript
Tune-38161-La_Visitte.txt 300 Plain-text file with the extracted tune(s)
Tune-38161-get.log 8060 Log file, useful mostly for debugging
These files should be available for 24 hours.