pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-45163-Mrs_Taff.ps) >>/Users/jc/w/tmp/Tune-45163-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/hornpipe/Mrs_Taff.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-45163-FARNE_Anonymous2.abc 151 ABC music file with the extracted tune(s)
Tune-45163-FARNE_Anonymous2.pdf 2217 Portable Data Format
Tune-45163-FARNE_Anonymous2.ps 6 PostScript
Tune-45163-FARNE_Anonymous2.txt 151 Plain-text file with the extracted tune(s)
Tune-45163-Mrs_Taff.abc 731 ABC music file with the extracted tune(s)
Tune-45163-Mrs_Taff.ps 39897 PostScript
Tune-45163-Mrs_Taff.txt 731 Plain-text file with the extracted tune(s)
Tune-45163-get.log 10372 Log file, useful mostly for debugging
These files should be available for 24 hours.