It sounds like an old song, with like louis armstrong or something singing
it goes

"here we go ooo ooo ooo oooo"

something, something
and then something like

"I love the day, I-i love the day"
or
"my love is?"

may or may not have been "here we flyyyyyy"
Link to me humminghttps://www.wevideo.com/view/776124512https://www.wevideo.com/view/776124512:
https://www.wevideo.com/view/776124512