Mark McNamara and Paul Lally preview all eight races at Happy Valley on Wednesday night.
[00:00:00] - Race 1
[00:03:17] - Race 2
[00:08:57] - Race 3
[00:13:53] - Race 4
[00:17:10] - Race 5
[00:21:43] - Race 6
[00:25:05] - Race 7
[00:30:30] - Race 8
