I DESCRIBE (in terms of genres):

Precious : A contemporary R&B album

First Love : More of a sophisticated bubblegum pop album containing elements of pop, R&B, and dance-pop

Distance : More of an R&B and pop-rock album

Deep River : More pop, R&B, pop-rock and experimental elements while keeping the pop element still alive

Exodus : A work of art with dance, electropop and R&B as the main music element

Ultra Blue : Another work of art and the ambient feel of the album was made into a more simplified and acceptable style for the mainstream

Heart Station : More pop, R&B, dance-pop but mostly tie-ups for the singles

This Is The One : An American-influenced album that made the mainstream notice her more and shows off more of her hometown side

Utada Hikaru Single Collection Vol. 2 Disc 2 : Sets out from her previous two Japanese albums with a flawless feel in each and every song on it