pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-87595-FF_vals4.ps) >>/Users/jc/w/tmp/Tune-87595-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/scand/FF_vals4.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_87595.log 790130 Log file, useful mostly for debugging
Form_87595.log 913 Log file, useful mostly for debugging
Tune-87595-FF_vals4.abc 1672 ABC music file with the extracted tune(s)
Tune-87595-FF_vals4.ps 39773 PostScript
Tune-87595-FF_vals4.txt 1672 Plain-text file with the extracted tune(s)
Tune-87595-get.log 6100 Log file, useful mostly for debugging
These files should be available for 24 hours.