Korie, Guettel, and LaChiusa are all brilliant.
And, yes, to me "perfect rhymes" are nessesary for good musica theatre lyrics. Yes, characters can have different styles, but the rhymes must be there, not slant or almost. I cringe at forced rhymes - even in as great a show as Hamilton.
Michael John alone writes some brilliant lyrics - the Quintet in Berdnarda Alba and the finale of Queen of the Mist are breathtaking.
And Guettel has "Divindig Day" - one of the most perfect blends of character, lyrics, and music in contemporary theatre.
And who can forget "Around the World", "Another Winter in a Summer Town", and "Tuesdays, Thursdays"? Musical theatre at its height.
"Sticks and stones, sister. Here, have a Valium." - Patti LuPone, a Memoir