The two opener scenes, the ballet, and the closing are pure genius: The bomber planes having sex, to the tune of "Try a Little Tenderness". And the sun rising, after long dark music, to the Zarathustra Strauss tune. The spaceships circling and the ballpoint pen floating in the air to the "Blue Danube". And finally, all the beautiful nuclear explosions and "We'll meet again". Kubrick wasn't just a movie director; he was also a ballet choreographer.
In recent memory, the only thing that comes closes are a few of the opening scenes of Pixar movies. They also make great use of music.