I also very much doubt that this handclap rhyme is what you are looking for. But you did say you were interested in songs about stages of life ;o)^^

WHEN PEBBLES WAS A BABY

When Pebbles was a baby, a baby, a baby,
When Pebbles was a baby, she used to go like this:
Wah, wah!

When Pebbles was a toddler, a toddler, a toddler,
When Pebbles was a toddler, she used to go like this:
Wah, wah, suck my thumb!

When Pebbles was a schoolgirl, a schoolgirl, a schoolgirl,
When Pebbles was a schoolgirl, she used to go like this:
Wah, wah, suck my thumb,
Gimme a piece of bubble gum!

When Pebbles was a teenager, a teenager, a teenager
When Pebbles was a teenager, she used to go like this:
Wah, wah, suck my thumb,
Gimme a piece of bubble gum,
Ooh, ah, lost my bra,
Left it in my boyfriend's car!

When Pebbles was a mother, a mother, a mother,
When Pebbles was a mother, she used to go like this:
Wah, wah, suck my thumb,
Gimme a piece of bubble gum,
Ooh, ah, lost my bra,
Left it in my boyfriend's car,
Oh, no, my water broke!

When Pebbles was a grandma, a grandma, a grandma,
When Pebbles was a grandma, she used to go like this:
Wah, wah, suck my thumb,
Gimme a piece of bubble gum,
Ooh, ah, lost my bra,
Left it in my boyfriend's car,
Oh, no, my water broke,
What'd you say? I can't hear you!

When Pebbles had a heart attack, a heart attack, a heart attack,
When Pebbles had a heart attack, she used to go like this:
Wah, wah, suck my thumb,
Gimme a piece of bubble gum,
Ooh, ah, lost my bra,
Left it in my boyfriend's car,
Oh, no, my water broke,
What'd you say? I can't hear you,
HELP ME, HELP ME!

When Pebbles was dead, dead, dead,
When Pebbles was dead, she used to go like this:
I'm dead!

http://www.inthe80s.com/rhymes.shtml

More examples from this family of children's rhymes can be found on this page of my website:http://www.cocojams.com/handclap_rhymes.htm