Wednesday's Rio Nightlife Pick- Rio Scenarium is a venue in the heart of Lapa, the bohemian downtown Rio neighborhood. It owes much of its success to great live Brazilian music and one of the most unusual and attractive ambiances in Rio de Janeiro. The laidback bar and casa de shows attracts a mix of locals and foreigners. With three floors of intriguing decor and unforgettable vintage antiques, this popular nighttime hot spot hosts some of the best samba, forró, mpb . . .