Tonight's forecast: 100% chance of rain! Discover the very first #1 single of the 70s, courtesy of B.J. Thomas, and the last #1 single by Brooke Benton (both in 1970). Do you know the rain song that sparked a major comeback for Neil Sedaka, or the autobiographical tune that kick started James Taylor's career? Albert Hammond and The Fortunes think you might need an umbrella.