The Moody Blues: “I Never Thought I’d Live to Be a Hundred” (and the reprise: “I Never Thought I’d Live to Be a Million”)
Australian band Redgum - I was only Nineteen
Ringo Starr - You’re Sixteen, You’re Beautiful and You’re Mine
Will you still need me, will you still feed me… two years from now???
“The Ocean” – Led Zeppelin
Now I’m singing all my songs to the girl who won my heart
She is only three years old and it’s a real fine way to start
I fear I may be outing myself as the lover of terrible punk rock I was in my teen years, but here’s Blink-182 with “What’s My Age Again?”
And that’s about the time she walked away from me
Nobody likes you when you’re twenty three
And I’m still more amused by TV shows
What the hell is A.D.D.?
I just got back from the road where I heard the heartwarming/breaking tale of Hot Chocolate’s “It Started With A Kiss” on the radio:
You made me promise to marry you, I made you promise to be my bride
But you were only eight years old and I had just about turned nine
(…)
Then when you were sixteen I had just turned seventeen
I couldn’t hold on to my love, I couldn’t hold on to my dream
Won’t you save them for me…even though you’re only three
Save Your Kisses for Me - Brotherhood of Man
(my first post)
Welcome aboard. We all float down here.
“How old do you think I am?” he said.
I said, well, I didn’t know.
He said, “I turned 65 about 11 months ago.”
- Tom T. Hall, Old Dogs, Children and Watermelon Wine
D’oh, how could I forget the beautiful Old Man by Neil Young until now?
Old man, look at my life
Twenty-four and there’s so much more
Beat you to it! 
How about 1 day old?
The Beatles - Birthday.
“I hear it’s your birth day…”
mmm
How about less than one minute old?