Entering "Buena Vista Social Club" is like stepping into a heady world of the senses, of heightened emotions, and of passionate music and dance. The Social Club was a real place for locals in Havana in the '50s. Decades later, its music became the source of a Grammy-winning album, then a popular film " and now it's the most intoxicating and rapturous show of the Broadwayseason. The celebratory musical " with a book b…