Christina Aguilera vs. Beyonce- The vocal Runs and Riffs Showdown

The Best Runs and Riffs of Kim Burrell

Muusiculture - Episode 2 - Les Riffs and Runs

Beavis and Buttheads Favourite Riffs and Vocals 1

Piano Scales, Fills and Runs - Riffs and runs

Ep. 53 Riffs, Runs, and Melismas with Matt Cusson

Ep. 55 Riffs/Runs/Melismas/Licks - An exercise

Ep. 53 Part 2 Riffs, Runs and Melismas with guest Matt ...

Learn Jazz Piano Chords, Runs, and Jazz Riffs w/ Funk and Soul

Britney Spears Vs. Christina Aguilera: Music Showdown

Descobrindo nosso Vocal Range com a Christina Aguilera!

Vocal coach and student. MELODY PHRASING ANALYSIS - Christina Aguilera HURT ...

Christina Aguilera - Walk Away (Live) (HQ) (best vocal performance)

Christina Aguilera with Beyonce Can't hold down the Baby Boy

Kamille sings Little Mix, Christina Aguilera and Beyoncé in Top of the Props

Christina Aguilera: prouesses vocales.

Christina Aguilera - it's a man's world (HD) (Best Vocal Performance)

"I WANT ALL GIRLS" - Christina Aguilera, Beyoncé, Kat Graham, Madonna, Dev

Christina Aguilera - Beautiful (Live at 46th Grammy) (HD) (best vocal performance)

Christina Aguilera - Fighter MIC FEED ISOLATED LIVE VOCALS 2010

Christina Aguilera - At last (Live) (Best vocal Performance)