Here is Derek Coopers video of his Roundhouse Russell and Silver Lady, together with his Accucraft Lyn on his railway in New Zealand. Simple passing shots give a good idea of the sound on a level track.
Here is Steve Smith's Roundhouse Russell in Talyllyn livery on a damp February day.
And here is Steve Smiths Russell again, with slight timing problems and lots of steam effects on a cold November day
Here is another bit of history - Roy Wood's newly lined Russell, running with a very early prototype Summerlands Chuffer at the SLR