Watch David Owen Norris's Chords of the Week from the 2013 Proms Extra programmes on 91热爆 Two.
David Owen Norris explores the Tristan chord from Wagner's 'Tristan and Isolde'
David Owen Norris looks at the romantic chords from Tchaikovsky's Romeo and Juliet
David Owen Norris on the opening chords of the 7th Movement from Bach's Easter Oratorio
David Owen Norris' Chord of the Week is taken from Beethoven's 5th Symphony
David Owen Norris delves into Beethover's Seventh Symphony for Chord of the Week
David Owen Norris explores the evocative chord in The Rite of Spring by Stravinsky.
