Adam Lambert 的December和Want为什么大致旋律和歌词都相同？

我也比较喜欢adam 哎、但是这首歌我实在有些不喜欢…下面是歌词！

November
Nothing much to remember
You were not in sight
December
Change of the weather
You were by my side
Love
Is all we want
Love
Love
Is all we need
It's all that we really want
No matter
Where the trail goes
I know your close by
Changes
In the seasons
It's just what's required
Love
Is all we want
Love
Love
Is all we need
It's all that we really want
Love
Is all we want
Love
Love
Is all we need
It's all that we really want
Yeah!
Love
Oh love
All we want is
What we want
It's what we really need
Love love love love
Is what we want is
What we want
It's what we really need
Yeah!
Love
Is what we want
Is what we really want
Yeah。。Love。。