I know I'm guessing, but if these are going to be used for movies, I've tailored my choices accordingly. Also Motown is already pretty well represented so I've steered clear.
(Also I don't have access to YouTube at work)
Led Zeppelin - Whole Lotta Love - 1969
Muddy Waters - Got My Mojo Working - 1956 (re-released in 1964)
Cream - I Feel Free - 1966
Donovan - Season of the Witch - 1966
Rolling Stones - Jumpin' Jack Flash - 1968
Crosby, Stills & Nash - Long Time Gone - 1969
The Byrds - My Back Pages - 1967
Small Faces - All Or Nothing - 1966
The Pink Floyd - See Emily Play - 1967
Jimi Hendrix Experience - Crosstown Traffic - 1968
Three Dog Night - Mama Told Me Not To Come - 1969
The Move - Flowers In the Rain - 1967
Deep Purple - Hush - 1968
Fleetwood Mac - Black Magic Woman - 1968