pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-26633-FF_revo1.ps) >>/Users/jc/w/tmp/Tune-26633-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/scand/FF_revo1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_26633.log 1183 Log file, useful mostly for debugging
Tune-26633-FF_revo1.abc 1458 ABC music file with the extracted tune(s)
Tune-26633-FF_revo1.ps 47623 PostScript
Tune-26633-FF_revo1.txt 1458 Plain-text file with the extracted tune(s)
Tune-26633-get.log 6551 Log file, useful mostly for debugging
These files should be available for 24 hours.