"Happy Birthday, Kevin Lax" 的歌詞如下：
Happy birthday to you
Kevin Lax, you're the best
Happy birthday to you
With a smile on your face
You're the best of the best
So happy, happy, happy, happy, happy birthday to you
如果你需要更多關於這首歌的信息，例如作曲者、背景故事等等，請告知我，我很樂意提供更多信息。