What is that song where chrilden singing?

There are many songs featuring children singing. Here are a few popular ones:

- "Tomorrow" from the musical "Annie"

- "Over the Rainbow" from the movie "The Wizard of Oz"

- "Do-Re-Mi" from the musical "The Sound of Music"

- "Zip-a-Dee-Doo-Dah" from the movie "Song of the South"

- "Hakuna Matata" from the movie "The Lion King"

- "A Whole New World" from the movie "Aladdin"

- "Circle of Life" from the movie "The Lion King"

- "Let It Go" from the movie "Frozen"