Manhattan Transfer - I Know Why (and So Do You) lyrics

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 ev'ning 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 I know why and so do you