They were family, four sisters from Philly who scored one of the biggest disco smashes with We Are Family. That one and their other 1979 #1, He's the Greatest Dancer, are here with all the rest of their 1973-85 best (Cotillion and Atlantic): Got to Love Somebody; My Guy; B.Y.O.B. (Bring Your Own Baby); Frankie; Lost in Music, and more!