pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-58650-32412_AERIAL_QUADRILLE_2.ps) >>/Users/jc/w/tmp/Tune-58650-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/32412_AERIAL_QUADRILLE_2.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_58650.log 1845 Log file, useful mostly for debugging
Tune-58650-32412_AERIAL_QUADRILLE_2.abc 578 ABC music file with the extracted tune(s)
Tune-58650-32412_AERIAL_QUADRILLE_2.ps 35159 PostScript
Tune-58650-32412_AERIAL_QUADRILLE_2.txt 578 Plain-text file with the extracted tune(s)
Tune-58650-get.log 4210 Log file, useful mostly for debugging
These files should be available for 24 hours.