Composer, arranger, producer, guitarist, Mario Adnet was born in Rio de Janeiro in 1957. He has been a professional musician since 1980: the year he released his first album in a duo with composer/pianist Alberto Rosenblit. In 1981, he also began to work as a producer and arranger.

In 1984, Adnet released his first solo album, the LP Planeta Azul (Blue Planet). In the 90’s, his music expanded beyond Brazilian territory, with the likes of Joyce, Lisa Ono, Charlie Byrd and Chuck Mangione, and others recording his compositions. From 1991-1994, Adnet produced and hosted radio talk shows with the foremost artists of Brazilian music on the stations MEC and Alvorada. The shows also aired in the cities of Belo Horizonte and São Paulo.

In 1994, Antonio Carlos Jobim included on his last album an arrangement Adnet made for Dorival Caymmi’s “Maracangalha.” The album, Antonio Brasileiro, won a Latin Grammy and brought attention to Adnet’s work as an arranger. In the same year, Mario released his first CD:  Pedra Bonita, featuring Antonio Carlos Jobim on the track “Maracangalha.” The CD was released by the Japanese label Nanã/BMG – Victor, and Adnet went on tour alongside singer Lisa Ono in Japan to promote the album.

Between 1998 and 2001, Mario wrote a series of interviews with artists from the Brazilian music scene for the newspaper O Globo. In 1999, Adnet released the CD Para Gershwin & Jobim [To Gershwin & Jobim] recorded in New York and Rio, with special guests like Randy Brecker and Eddie Gomez. (Indie/Universal, 1999 and later reissued by Biscoito Fino, 2004). Soon after, in 2000, Mario released Villa-Lobos Coração Popular [Villa-Lobos Heart of the People] (Indie/Universal) and Para Gershwin & Jobim -Two Kites, a second volume embracing the universe of the two composers.

In 2001, Adnet teamed up with saxophonist/producer Zé Nogueira to produce the acclaimed double album Ouro Negro [Black Gold] dedicated to Moacir Santos’s work (MPB/Universal, 2001 and Adventure Music, 2004). Between 2001 and 2003 he traveled to Japan three times to arrange Lisa Ono’s albums: Bossa Hula Nova, Questa Bossa Mia and Dans Mon Ile. In the beginning of 2002, Mario released a new album, Rio Carioca [Carioca River] (MPB/Universal) dedicated to his hometown. In the same year, he produced the album Reencontro [Reunion] (various artists) celebrating the work of composer/pianist Luiz Eça  (Biscoito Fino, 2002).

In 2003, Adnet paired with Paulo Jobim to release the double album and DVD Jobim Sinfônico [Symphonic Jobim] (Biscoito Fino, 2003 – Adventure Music, 2005), a definitive record of Tom Jobim’s orchestral work. This brought Mario a Latin Grammy award as the “Best Classical Album” in 2004 and a Grammy nomination in 2005 as the “Best Crossover Album.”

In 2004, Adnet produced for Biscoito Fino the award-winning album Legrand Eça, Michel Legrand plays Luiz Eça. He also wrote all arrangements for his sister’s album – Maucha Adnet, The Jobim Songbook (Kind of Blue Records, 2005), which was recorded in New York.

In 2005, Mario produced, along with Zé Nogueira, the album Moacir Santos – Choros & Alegria [Biscoito Fino / Adventure Music] (Latin Grammy nomination in 2006), featuring, among the Brazilian musicians, Wynton Marsalis. In 2005, Mario also produced again with Zé Nogueira the DVD Ouro Negro (MPB, Universal), and three songbooks Coisas, Ouro Negro and Choros & Alegria covering the work of Maestro Moacir Santos (Jobim Music Publishing).

In 2006, Adnet recorded four albums in a partnership with Adventure Music (U.S.) and Adnet Música:

Muiza Adnet Sings Moacir Santos, featuring Milton Nascimento and Moacir Santos in his last recording sessions; From The Heart, Mario Adnet’s first solo album released in the U.S.; Samba Meets Boogie Woogie (Featuring Roberta Sá, Mônica Salmaso, Maucha Adnet, Zé Renato, Alfredo Del Penho and Mario Adnet); and Jobim Jazz  for which Adnet won “Best Arranger” at the Brazilian Music Awards in 2007.

In 2008, he was involved again on the production and arrangements for a Lisa Ono album, Cheek to Cheek, released in March 2009. Adnet also recorded a new project, a partnership with Philippe Baden Powell – the album Afrosambajazz – focused on the work of Philippe’s father: guitar genius Baden Powell. It was released in June 2009 in Brazil by Biscoito Fino and released in the U.S. by Adventure Music.

In May 2010 Mario was invited by Wynton Marsalis to perform the music of Moacir Santos with the Ouro Negro Band at the Jazz at Lincoln Center in New York City.

Right after he recorded a new album solo O Samba Vai (Adnet Musica/Biscoito Fino).

In 2011 Adnet released two new albums : + Jobim Jazz (More Jobim Jazz) [Adnet Musica/Biscoito Fino/Adventure Music];and Vinicius e os maestros (Adnet Musica/Universal Music).

In 2012, two more albums were released in Brazil and U.S.: Amazonia (Adnet Musica/Universal Music/Adventure Music) and Um Olhar Sobre Villa-Lobos (Adnet Musica/Borandá). Mario Adnet was nominated for the Latin Grammy in 2013 as best classical album for Um Olhar Sobre Villa-Lobos.

In 2014 produced and arranged along with Dori Caymmi the album Dorival Caymmi Centenário  (Adnet Música/Biscoito Fino) which was nominated for the Latin Grammy in two categories in 2015.

In 2015 was released the DVD/CD Jobim Jazz Live, nominated for a Latin Grammy – Latin Jazz category in 2016.