It starts in 1983 when Emilson Betuel assembles a band called: Asa Group.
At the beginning of 1984 Emilson Betuel begins a solo career:
In 1984 launched the compact simply called: "It was the Sun."
In 1985 launches LP called "Hyper Sensitive Human."
In 1986 launches two compact called "Stretch but burst not."
In 1991 launches LP "Marks", manufactured by Sony Music, the National successes: "Happy," "Dance" and "carnal and spiritual."
In 1995 launches the CD "Tint".
In 1998 launches the CD "Voice and Guitar" produced by Eber Betuel.
In 2001 launches the CD "Poems of Glass" with the participation of Éber Betuel.
In 2002 the band officially BETUELS mounts.
In 2006 after 4 years of recording, BETUELS launches the CD "hybrid"
In 2007 BETUELS launches the CD and DVD hybrid live (in Rio de Janeiro, in the show to launch the hybrid CD done in studio.
In 2007 BETUELS launches the CD the best of Betuels.
IN 2008 BETUELS launches the DVD and CD LIVE AMONG FRIENDS (in Rio de Janeiro)
IN 2009 BETUELS launch the New Album even without title.

BETUELS MET AS INFLUENCES:
Pink Floyd, Focus, Simply Red, Sting, Phil COLINS, The Police, Chico Buarque, Caetano Veloso, Gilberto Gil, Luis Gonzaga, Zé Ramalho, Gonzaguinha, Fagner, Belchior, Alceu Valença, João Bosco, Joe Satriani, Andy Timmons, Ozzy Osborune, Djavan, Ed mota, James Brown, Sade, Paralamas, O Rappa, outraged the accuracy, bikini Cavadão, RPM, System of a Down, Van Halen, Beatles, Red Hot, Paulinho da Viola, Fernando Mendes,, Ana Carolina, Gal Costa, Adriana Calcanhoto, Moska, among others.

Paris and Liverpool

CPU Atlon 64 X2 dual core, M-AUDIO Delta 1010-LT, Audio Monitor SONY FH-B500, Sonar 3.0 e Fruitloops 6.0.

BETUELS already participated in concerts where they were artists such as:
Lenin, Fagner, Hermeto Pascoal, Luiz Vieira, Zé Callisto, St. Helena, Azulão, Miguel Bezerra and others.

* All the band's songs are written by Emilson Betuel and Eber Betuel.
* The Band Betuels behind perfectionism and the experience of Emilson Betuel with impulsivity and
current view of timbre and conceptions of Eber Betuel.
Band BETUELS:
Emilson Betuel (acustic guitar, guitar, percussion and vocals).
Eber Betuel (acustic guitar, guitar, bass, keyboard, percussion and vocals)
Emilson betuel is professor of yoga, musician, singer, composer, arranger and phonographic and music producer.
Eber betuel is professor of kung-fu, acustic guitar, guitar and bass; technical in informatica, technical in áudio analog and digital, singer, composer, arranger, producer music and phonographic.