Roots of John Tavener

Sir John Milford Rutter is an English composer, conductor, editor, arranger, and record producer, mainly of choral music. He founded the Cambridge Singers who premiered and recorded many of his works for his own label Collegium Records. His compositions, extended pieces for choir and orchestra, such as Requiem and Magnificat, and many choral works including For the beauty of the earth, Christmas Carol and A Clare Benediction, are popular, especially in the UK and the United States. He is known for Christmas carols, in both arrangements of traditional melodies and new compositions, and Carols for Choirs anthology series compiled with David Willcocks.

"Carnival of Light", originally known as "Untitled", is an unreleased avant-garde recording by the English rock band the Beatles. It was commissioned for the Million Volt Light and Sound Rave, an event held at the Roundhouse in London on 28 January and 4 February 1967. Recorded during a session for the song "Penny Lane", "Carnival of Light" is nearly 14 minutes long and contains distorted, echo-laden sounds of percussion, keyboards, guitar and vocals. Its creation was initiated by Paul McCartney's interest in the London avant-garde scene and through his connection with the design firm Binder, Edwards & Vaughan.