The Almanac Singers were a group of folk musicians who achieved brief popularity in the early 1940s. Members Millard Lampell, Lee Hays, Pete Seeger, and Woody Guthrie began playing together informally after Seeger and Hays had been playing at left-wing political functions for a time. Mainstream national success began after the American Youth Congress meeting in Washington D.C. in February of 1941. Others who sang with the group at various times included Sis Cunningham