Often hailed as one of the best musicians and best band by Brazilian musician magazines, it is almost impossible to read a music magazine in Brazil without seeing interviews or advertisements from DR SIN. Their first presentation in Brazilian mainstream media was at the Hollywood Rock Festival in 1993, sharing the stage with Nirvana and L7.
In 1993, they took their chances in the USA, and after a few concerts there, they were signed to Warner International with their first album (DR SIN), being released in nine countries. Their second album (BRUTAL) was released in Japan under the name (SILENT SCREAM), followed by the album (INSINITY) and the live album (LIVE IN BRAZIL). The LIVE ALBUM was part of an Yngwie Malmsteen box-set.

The album (INSINITY) featured some very special guests. One was Jonnathan Mover (former drummer of Joe Satriani, Alice Cooper, Saigon Kick and Einstein) on the song “Insomnia”, and Silvio Luiz, one of Brazil’s most famous sports commentators on the song “Football, Women and Rock’n ‘Roll “, which would become one of the band’s biggest hits. In 2000, DR SIN released another album (DR SIN II) in a very unusual way (DR SIN II) in Brazil. It was distributed via newsstands all over the country.

The biggest surprise on this album was the presence of Michael Vescera on vocals, a famous American singer and former member of Yngwie Malmsteen, Loudness, Obsession and MVP. Other special guests were guitarists Sergio Buss (Steve Vai, Tritone) and Roland Grapow (current Masterplan and former Helloween member).
In 2002, a DVD and a double album, were recorded live in São Paulo, celebrating the band’s tenth anniversary, entitled "10 ANOS AO VIVO".

Their next CD was a covers album with all of the songs containing the word DOCTOR in their titles, such as “Calling Dr.Love” (KISS), “Rock and Roll Doctor” (BLACK SABBATH), “Dr. Feelgood” (Mötley Crue), “Doctor , Doctor “(UFO),” Dr. Roberts “(Beatles),” Somebody Get Me a Doctor “(VAN HALEN), among others.

In 2007, DR SIN released BRAVO, their eighth album, which was based on the facts and feelings that human beings experience in their day-to-day. It’s a heavy and powerful album.
In 2009 the album ORIGINAL SIN was released, being a re-recording of the album DR SIN I, with two bonus tracks “Nephelins” and “You Are My Love”.

In 2011, the band recorded the album “ANIMAL” at the Busic brothers’ studio, Sonata 84, in São Paulo. It was released by the record company LASER COMPANY, with media representation by Eliane Veronezzi.

Since July 2014, the band has had their complete discography on iTunes at this link:
https://itunes.apple.com/br/album/complete-discography-dr.-sin/id643030390 

In September 2013, they played at the 2013 ROCK IN RIO Festival and in October at MONSTERS OF ROCK in São Paulo. After that, they went on a 3 week tour throughout the USA.

In January 2015, DR SIN released its new album entitled INTACTUS. Everything was produced , arranged, edited, mixed and mastered by Andria Busic.
All discography is available on iTunes.

In March 2016, the band stopped its activities and after two years and seven months in October 2018, the brothers Andria and Ivan Busic returned to DR SIN activities, now with guest guitarist Thiago Melo, who had previously participated and won in the selection with more than 200 guitarists for the band Busic, the brothers' parallel project.

The single "LOST IN SPACE" was released on all digital platforms on October 19, 2018