From fairly more recent musicals --
*Les Miserables - for drama and emotional depth :
Do You Hear the People Sing
Valjean's Soliloquy
One Day More
Bring Him Home
I Dreamed a Dream
On My Own
*Phantom of the Opera - for theatricality and drama :
Masquerade
Music of the Night
All I Ask of You
Wishing You Were Somehow Here Again
Title song
*Beauty and the Beast -
Me ( Gaston)
Be My Guest
Beauty and the Beast
From Rodgers & Hammerstein portfolio --
Oklahoma! ( RNT filmed version) - Oklahoma!/Surrey with the Fringe on Top/People Will Say We're in Love/Oh What a Beautiful Mornin'
South Pacific - Younger than Springtime/Some Enchanted Evening/Bali Hai/I'm In Love with a Wonderful Guy (?)/
Carousel - If I Loved You/Billy's SOLILOQUY/You'll Never Walk Alone/Carousel Waltz/
King and I - Getting to Know You /Hello, Young Lovers/Shall We Dance/
Sound of Music - Opening song ( Do, a Deer...)/Favorite Things/Edelweiss/Climb Every Mountain/
From Lerner and Lowe Portfolio --
Camelot - Title song Camelot ( including Reprise)/If Ever I Would Leave You/It's May.../C'est Moi/
My Fair Lady - On the Street Where You Live/I Could Have Danced All Night/
Others -
Man of La Mancha - The Impossible Dream/Dulcinea/Title Song/Golden Helmet of Mambrino
West Side Story - Tonight/Maria/America/I feel Pretty/ Jets and Sharks song/Officer Krupke/One Hand,One Heart/
Meet Me in St Louis - Have Yourself a Merry Little Christmas
Hello, Dolly! - Title Song/Before the Parade Passes By/It Only Takes a Moment/Put On Your Sunday Clothes/Elegance
Jesus Christ Superstar - Title Song/Gethsemane/Hosanna/I Don't Know How to Love Him/Everything's Alright
Evita - Don't Cry for Me Argentina/Buenos Aires/High Flying Adored/Another Suitcase, Another Hall/
Chitty Chitty Bang Bang - title song/Hushabye Mountain/Me Ole Bamboo/
Mamma Mia! - The Winner Takes It All & some of the other songs
I am sure there are still many memorable ones for me - but will have to remember more