Evanescence

Goth-Inspired Arkansas Rock Band; "My Immortal"

Eminem

Grammy Award-Winning Rapper; Also Known as "Slim Shady"

John Mellencamp

American Rock Singer-Songwriter, Musician known for his catchy, populist brand of heartland rock

Ciara

Grammy Award-Winning Singer, Songwriter, Record Producer, Dancer, Model & Actress; Known for "1, 2 Step" and "Love Sex Magic"

Black Eyed Peas

American Hip-Hop Group Known for "I Gotta Feeling"

Robyn

Robin Miriam Carlsson, better known by her stage name Robyn (born 12 June 1979) is a Swedish recording artist and singer-songwriter.

Killer Mike

Hip-Hop Artist & Activist Focused on Social Inequality, Police Brutality & Systemic Racism

Jordin Sparks

Pop and R&B Vocalist; American Idol Winner

Michael Franti

Poet, Musician & Activist

Kid Cudi

Rapper, Singer & Actor; Known for "Pursuit of Happiness" & "Man on the Moon"

Jimmy Eat World

Alternative '90s Rock Band Known for "The Middle"

Jimmy Eat World: NPR Music Tiny Desk Concert

Mary J. Blige

Grammy Award-Winning Singer, Songwriter & Rapper; Queen of Hip-Hop Soul

Aaron Lewis of Staind

Founding member of Staind; Country music singer and songwriter

Young The Giant

Eclectic Indie Rock Band

The Fray

American Piano Rock Band

Kelly Rowland

R&B Singer, Actress and Member of Destiny's Child

Daughtry

Rock Band Fronted by American Idol Finalist Chris Daughtry; "It's Not Over"

Akon

Senegalese-American Hip-Hop Recording Artist & Producer; Social Impact Entrepreneur & Founder of Akoin

David Gray

David Gray is an English singer-songwriter known for his breakthrough album "White Ladder."

O.A.R.

Rock Band Known for the Hit "Shattered"