I Don't Know Why (I Just Do) 作词 : Roy Turk/Fred E. Ahlert 作曲 : Roy Turk/Fred E. Ahlert I don't know why -Frank Sinatra I don't know why I love you like I do I don't know why but I do I don't know why You thrill me like you do I don't know why but you do You never seem to want my romancing The only time you hold me Is when we're dancing I don't know why I love you like I do I don't know why but I do You never seem to want my romancing The only time you hold me Is when we're dancing I don't know why I love you like I do I don't know why but I do