pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-58460-193_Renard.ps) >>/Users/jc/w/tmp/Tune-58460-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Straight_Skillern/193_Renard.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-58460-193_Renard.abc 722 ABC music file with the extracted tune(s)
Tune-58460-193_Renard.ps 33019 PostScript
Tune-58460-193_Renard.txt 722 Plain-text file with the extracted tune(s)
Tune-58460-get.log 4503 Log file, useful mostly for debugging
These files should be available for 24 hours.