pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-53901-226.ps) >>/Users/jc/w/tmp/Tune-53901-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Fraser/226=the_Emigrants_Adieu.abc2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Sess-53901.log 119 Log file, useful mostly for debugging
Tune-53901-226.abc 1279 ABC music file with the extracted tune(s)
Tune-53901-226.ps 41303 PostScript
Tune-53901-226.txt 1279 Plain-text file with the extracted tune(s)
Tune-53901-Baulk.abc 457 ABC music file with the extracted tune(s)
Tune-53901-Baulk.ps 33351 PostScript
Tune-53901-Baulk.txt 457 Plain-text file with the extracted tune(s)
Tune-53901-get.log 12926 Log file, useful mostly for debugging
These files should be available for 24 hours.