pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-23988-2081.ps) >>/Users/jc/w/tmp/Tune-23988-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kerr/MM2/2081=Marquis_of_Queensberry-V2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-23988-2081.abc 631 ABC music file with the extracted tune(s)
Tune-23988-2081.ps 33705 PostScript
Tune-23988-2081.txt 631 Plain-text file with the extracted tune(s)
Tune-23988-Thompson_V4_1773-1780_PD.abc 161 ABC music file with the extracted tune(s)
Tune-23988-Thompson_V4_1773-1780_PD.txt 161 Plain-text file with the extracted tune(s)
Tune-23988-get.log 8189 Log file, useful mostly for debugging
These files should be available for 24 hours.