There are many examples on the web of Einstein speaking - but, sadly none (legitimate) of him playing the violin or piano. There are also many silent movies. There are even some where he both moves and speaks. Some particularly relevant ones are linked here.

Einstein visits the University of Nottingham in 1930.

George Bernard Shaw speaking at a banquet honouring Einstein in 1930

Einstein speaks at the Berlin Radio Exhibition in 1930

Einstein talks with Carl Laemmle at Universal Studios in Hollywood in 1931

Einstein speaks at Royal Albert Hall meeting in 1933

Einstein hosts Ben Gurion in Princeton, 1951