pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-54474-Oscar_and_Malvina.ps) >>/Users/jc/w/tmp/Tune-54474-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Brewer/Oscar_and_Malvina.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_54474.log 1510 Log file, useful mostly for debugging
Tune-54474-Oscar_and_Malvina.abc 372 ABC music file with the extracted tune(s)
Tune-54474-Oscar_and_Malvina.ps 34690 PostScript
Tune-54474-Oscar_and_Malvina.txt 372 Plain-text file with the extracted tune(s)
Tune-54474-get.log 4593 Log file, useful mostly for debugging
These files should be available for 24 hours.