The following Epsom Oaks 1975 clip is a 41 secs clip from Youtube

The 197th Oaks Stakes took place on Friday 6th June 1975 and was won by Juliette Marny (12/1), by Blakeney out of Set Free trained by Jeremy Tree, who won by 4 lengths in 2 mins 39.10 secs. The winner won £44,958 (Equivalent to £430,700 in 2017) and there were 12 runners.
Horse Jockey Trainer Owner/Betting
JULIETTE MARNY Lester Piggott Jeremy Tree James Morrison 12/1
VAL'S GIRL Willie Carson   15/2
MOONLIGHT NIGHT Geoff Lewis   9/4
MAY HILL Frank Morby   10/1
HARMONISE Joe Mercer   10/1
ONE OVER PARR Pat Eddery   11/2
TEBALDI Brian Taylor   25/1
MISOPTIMIST A Kimberley   20/1
SHALLOW STREAM Eric Eldin   14/1
ANADYOMENE Tony Murray   12/1
BRILLIANTINE Greville Starkey   20/1
SNOW TRIBE Frankie Durr   50/1
      Over Round 117%
For further information on this Classic race 'The Oaks Stakes' by Michael Church provides a comprehensive history of the great race. It is a limited edition volume, limited to 650 copies, and is available from Amazon ISBN 1910498289