Shooms - good choice.
Also . . .As Long As He Needs Me from the same Lionel Bart masterclass!
YouTube - Oliver! - As Long As He Needs Me
Also "My Favourite Things" from The Sound of Music has always seemed stand out to me. Then again in my humble opinion, the entire score of The Sound of Music is genius from Rogers and Hammerstien.
YouTube - My Favorite Things - The Sound of Music
Finally, "You'll Never Walk Alone" from Carousel. . .Yet more genius from Messer's R & H!
YouTube - Carousel."You'll Never Walk Alone".