问题描述：
这首是什么歌啊（歌手和歌名）
You know I can't smile without you I can't smile without you I can't laugh and I can't sing I'm finding it hard to do anything You see I feel sad when you're sad I feel glad when you're glad If you only knew what I'm going through I just can't smile without you You came along just like a song And brighten my day Who double leave that you were part of a dream Now it all seems light years away And now you know I can't smile without you I can't smile without you I can't laugh and I can't sing I'm finding it hard to do anything You see I feel sad when you're sad I feel glad when you're glad If you only knew what I'm going through I just can't smile Now some people say happiness takes so very long to find Well
You know I can't smile without you I can't smile without you I can't laugh and I can't sing I'm finding it hard to do anything You see I feel sad when you're sad I feel glad when you're glad If you only knew what I'm going through I just can't smile without you You came along just like a song And brighten my day Who double leave that you were part of a dream Now it all seems light years away And now you know I can't smile without you I can't smile without you I can't laugh and I can't sing I'm finding it hard to do anything You see I feel sad when you're sad I feel glad when you're glad If you only knew what I'm going through I just can't smile Now some people say happiness takes so very long to find Well
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