João Vieira is a DJ, musician, and producer. He began his career in London in the late 90s, where he worked as a DJ, musician, and club promoter. In Portugal, he released 5 albums with X-Wife, the band he founded and for which he is the 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.