Today, John will be presenting on the art of counterpoint, the lost art of singing two melodies at once.
As the world's leading expert in this field, John's talk will cover the finer points of clashing harmonies and awkward silences.
John, the Counterpoint King
Don't forget to bring your earplugs!
Learn more about John's counterpoint theory
Watch John's famous 'Singing Two Tunes at Once' video
Join John's counterpoint workshop: 'Sing Your Way to Madness'