The Andrews Sisters were an American close harmony singing group of the swing and boogie-woogie eras. The group consisted of three sisters: contralto LaVerne Sophia Andrews (1911–1967), soprano Maxene Anglyn Andrews (1916–1995), and mezzo-soprano Patricia Marie Andrews (1918–2013). The sisters have sold an estimated 80 million records. Their 1941 hit "Boogie Woogie Bugle Boy" can be considered an early example of jump blues. Other songs closely associated with the Andrews Sisters include their first major hit, "Bei Mir Bist Du... [more on Wikipedia]