I KNOW WHY (AND SO DO YOU) From the film "Sun Valley Serenade" (1941) (Harry Warren / Mack Gordon) Pat Friday & John Payne (Film Soundtrack) - 1941 Glenn Miller & His Orch. (vocal: Paula Kelly & The Modernaires) - 1941 Richard Himber & His Orch. (vocal: Johnny Johnston) - 1941 Mel Tormé - 1955 June Christy - 1957 Sandi Shoemake - 1999 Wesla Whitfield - 2000 Also recorded by: Joan Regan; Anne Shelton; Dave Pell Octet; Ruth Brown; Acker Bilk; James Last; Chuck Redd; Michael Feinstein; Lionel Hampton; Red Garland: ............. and others. Why do robins sing in December Long before the Springtime is due And even though it's snowing, violets are growing I know why and so do you Why do breezes sigh ev'ry evening Whispering your name as they do And why have I the feeling stars are on my ceiling I know why and so do you When you smile at me I hear gypsy violins When you dance with me I'm in heaven when the music begins I can see the sun when it's raining Hiding ev'ry cloud from my view And why do I see rainbows when you're in my arms I know why and so do you