Question: "Sea of Time" is an instrumental piece composed by George Martin and performed by his 41-piece orchestra for the Beatles' film "Yellow Submarine", a British animated musical fantasy comedy film inspired by the music of the Beatles, released in which year?
Sentence (from "Sea of Time"): It opens with a tampura drone and a winding melody similar to that of George Harrison's "Within You Without You", from the Beatles' 1967 album "Sgt. Pepper's Lonely Hearts Club Band".
Relevant evidence: No