Barbershop Quartet Sings Hits 20 Years From Now [Video]

A  barbershop quartet is a quartet of singers who sing music in the barbershop genre. It consists of a lead the vocal part which generally carries the tune; a bass, the part which provides the bass line to the melody; a tenor, the part which harmonizes above the lead; and a baritone, the part that completes the chord. The baritone can sing either above or below the lead singer.The barbershop quartet group "Main Street" did a string of popular former Top 40 songs like Brittany Spears, N'Sync and even Bruno Mars.

The premise of the the quartet singing these songs were based on how 20 years from now people would say these were classics and "good music.

We all know a lot of people would disagree with that but these guys are very talented and make the songs better than the original singers.