Realtime Is A Four-Part A Cappella Vocal Group Based In Vancouver Canada. Realtime Sings And Records Music Of Many Styles Including Modern A Cappella Barbershop Do-Wop Vocal Jazz And Choral Music. In 2005 Realtime Was Very Proud To Become World Champions Of The Barbershop Harmony Society. Having Reached The Pinnacle Of The Genre They Are By Custom Permanently Retired From Competition. They Are A Very Popular Quartet On The Show Circuit With Bookings Made Years In Advance.