一首包含"rainbow"的英文歌曲是《Over the Rainbow》，也称为《Somewhere Over the Rainbow》。这首歌由朱迪·加兰（Judy Garland）演唱，是电影《绿野仙踪》（The Wizard of Oz）的主题曲，也是伴随着一代又一代儿童成长的经典歌曲。歌词中多次提到"rainbow"，例如：

```

Somewhere over the rainbow, way up high

There's a land that I heard of once in a lullaby

Somewhere over the rainbow, skies are blue

And the dreams that you dare to dream really do come true

```

这首歌的旋律优美，歌词充满希望和梦想，成为了许多人心中永恒的经典。