Complex sentence: "Carnival of Light" is an unreleased experimental piece recorded by the Beatles on 5 January 1967 for "The Million Volt Light and Sound Rave", an event held at the Roundhouse Theatre on 28 January and 4 February 1967.
Split into simpler sentences: Carnival of Light is an unreleased experimental piece by the Beatles. The track was created for "The Million Volt Light and Sound Rave", an event held at the Roundhouse Theatre on 28 January and 4 February 1967.