pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-66420-4173.ps) >>/Users/jc/w/tmp/Tune-66420-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CSR/4173=Fingalls_Lamentations.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
Tune-66420-12SelectedCountryDances_1772_Rutherford.abc 180 ABC music file with the extracted tune(s)
Tune-66420-12SelectedCountryDances_1772_Rutherford.txt 180 Plain-text file with the extracted tune(s)
Tune-66420-4173.abc 1095 ABC music file with the extracted tune(s)
Tune-66420-4173.ps 41406 PostScript
Tune-66420-4173.txt 1095 Plain-text file with the extracted tune(s)
Tune-66420-get.log 8965 Log file, useful mostly for debugging
These files should be available for 24 hours.