pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-59431-1043.ps) >>/Users/jc/w/tmp/Tune-59431-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CR/1043=MacPhersons_Lament-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
Form_59431.log 1056 Log file, useful mostly for debugging
Tune-59431-1043.abc 1806 ABC music file with the extracted tune(s)
Tune-59431-1043.ps 47182 PostScript
Tune-59431-1043.txt 1806 Plain-text file with the extracted tune(s)
Tune-59431-get.log 73120 Log file, useful mostly for debugging
These files should be available for 24 hours.