João Vieira began his career in London in the late 90s, where he worked as a DJ, musician and club promoter. In Portugal, he edited 4 albums with X-Wife, a band he founded (with Rui Maia and Fernando Sousa) and of which he is a composer, vocalist, guitarist and co-producer. As DJ Kitten, and from Porto, he rewrote the clubbing scene in Portugal in the 2000s with his innovative Club Kitten. With the alter-ego White Haus, he began the adventure of electronic composition and production. The result of this process was the edition of one EP and two albums.