Friday's Rio Nightlife Pick - Studio RJ in Arpoador offers a special show tonight, featuring Baia. This rock star has soared to popularity through his intuitive style and unique rock sound. Deriving his inspiration from Brazilian rock star and king Raul Seixas, Baia's career began at Circo Voador over 20 years ago, after pleading to perform at a Bau do Raul, a concert homage to the great Raul Seixas. His performance blew the roof off the venue, catapulting . . .