Complex sentence: The opening theme is "Dream Solister" by True, and the ending theme is by Tomoyo Kurosawa, Ayaka Asai, Moe Toyota, and Chika Anzai; the ending theme for episode 13 is a wind orchestra version of "Dream Solister".
Split into simpler sentences: The opening theme is "Dream Solister" by True, and the ending theme is by Tomoyo Kurosawa, Ayaka Asai, Moe Toyota, and Chika Anzai. The ending theme for episode 13 is a wind orchestra version of "Dream Solister".