Why Tell Stories in Song?

I remember a song which I first heard when I was still in 3rd grade., which is called "Lemon Tree" by Fools Garden.
The lyrics:
"I'm sitting here in the boring room
It's just another rainy Sunday afternoon
I'm wasting my time
I got nothing to do
I'm hanging around
I'm waiting for you
But nothing ever happens and I wonder

I'm driving around in my car
I'm driving too fast
I'm driving too far
I'd like to change my point of view
I feel so lonely
I'm waiting for you
But nothing ever happens and I wonder

I wonder how

I wonder why
Yesterday you told me 'bout the blue blue sky
And all that I can see is just a yellow lemon-tree
I'm turning my head up and down
I'm turning turning turning turning turning around
And all that I can see is just another lemon-tree"

I remember all these in my head and never forget it is because I kept listening to the song. I really like the song and sometimes will sing along, and then I naturally remembered the lyrics. I think the reason why songs and lyrics are so memorable, is that we can sing along with it. And after singing a lot of time, people just naturally memorized the lyrics. When we forgot some parts, we sing it again in mind, and we'll naturally recall our memories.
Moreover, unlike stories and like poems, songs have lyrics and music that keep repeating, which make the song even more memorable.