Forbes have compiled a 30 Under 30 list of music stars, which aims to compile the 'brightest stars' in the world of music.
The 2012 list includes One Direction, Adele and Rihanna - amongst others - and has been compiled by Forbes with the help of "a panel of expert judges".
Forbes said, "In sum they represent the entrepreneurial, creative and intellectual best of their generation. Individually, they are engaging, surprising and incredibly hardworking."
British talent is well represented, with Adele, One Direction, Marcus Mumford and Calvin Harris all making the list.
Also included are Rihanna, Taylor Swift, Frank Ocean, Lady Gaga and Katy Perry, as well as less obvious choices. The founders of hit website Rap Genius are featured on the list, as well as the co-founders of GrooveShark and the co-founders of Songza.
One Direction are amongst Forbes' brightest music stars under 30
Adele's album 21 has been one of the biggest selling albums of the year, despite being released in 2011. One Direction have also been big successes of 2012, and Rihanna has had a new album and the now infamous 777 tour.
The full list is:
Adele
Avicii
Justin Bieber
Benny Blanco
Drake
Daniel Ek
Lady GaGa
Skylar Grey
Calvin Harris
Matt Jones
Ke$ha
Wiz Khalifa
Adam Kluger
Kendrick Lamar
Tom Lehman, Ilan Zechory
Bruno Mars
Mac Miller
Marcus Mumford
Frank Ocean
One Direction
Katy Perry
Delta Rae
Rihanna
Elias Roman, Peter Asbill, Elliott Breece, Eric Davich
James 'J' Sider
Skrillex
Taylor Swift
Sam Tarantino, Josh Greenberg
Alex White
Sara Winter
Check out One Direction, Cheryl Cole: the rich-list earnings of under-30s
