Let's start jamming Cambridge University Musical Society Chorus, Choir Of Kings College, Cambridge, New Philharmonia Orchestra, Sir Philip Ledger - (arr. Elgar) The National Anthem chords, familiarize yourself with these chords - Eb, Bb, Bb, F, Bb, Gm, F and Bb in sequence. For best results, commence at 31 BPM and progress to the song's BPM of 63. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: Bb Major.