Joe Hisaishi's music for Studio Ghibli is some of the most requested material among ocarina players, and it is easy to hear why. His melodies are slow, singable and often built on simple, folk-like phrases, which suits an instrument with a soft, round tone.
The library has four of his themes: My Neighbor Totoro, Merry-Go-Round of Life from Howl's Moving Castle, Carrying You from Castle in the Sky and the theme from Princess Mononoke. It also has Always With Me, the closing song from Spirited Away, written by Youmi Kimura.
From other anime there is A Cruel Angel's Thesis from Neon Genesis Evangelion, Sadness and Sorrow from Naruto and Blue Bird from Naruto Shippuden, Moonlight Densetsu from Sailor Moon, and two Pokémon tunes: the English TV theme and Lugia's Song from the second film.
The Ghibli pieces are mostly gentle and a good place to work on long, steady notes. The anime openings move faster and use more of the range. Every tab is written for a 12-hole Alto C and can be shown for F, 6-hole, 4-hole or double.