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Erasure, the British synth-pop group whose early hits included "Chains of Love" and "Ship of Fools," won a cult-like following in the 1980s. Led by the flamboyant Andy Bell - one of the first openly gay performers in pop music - they became known for their intense melodies and sweeping electronic balladry. Nearly two decades later they have released a new acoustic album, "Union Street," and today they perform live in the studio. Also, a conversation with Peter Lavezzoli, author of The Dawn of Indian Music in the West: Bhairavi. He explains how a 1955 recording called "Music of India: Morning and Evening Ragas" was largely responsible for introducing Western audiences to the sounds of the Indian tabla and the tamboura.