Mark McNamara and Paul Lally preview all eight races at Happy Valley on Wednesday night.
[00:00:00] - Race 1
[00:03:19] - Race 2
[00:06:19] - Race 3
[00:10:19] - Race 4
[00:14:09] - Race 5
[00:18:12] - Race 6
[00:22:59] - Race 7
[00:27:00] - Race 8
