After four albums of spirited, rootsy folk-rock, Atlanta duo Indigo Girls really tightened up with 1992’s Rites of Passage. Armed with slick production and a bevy of special guests—including David Crosby, The Roches, and Lisa Germano—the pair established a more refined sound, the clear, crisp harmonies of “Love Will Come to You” and mellow, orchestral strings of “Virginia Woolf” ushering in a new era. This is still audibly an Indigo Girls record, though, which is clear from the fiery passion of “Jonas & Ezekiel.”