Happy and Gay (Op.99)

C.Bohm

Adagio and Allegro

Bach and F.P. Ricci

If You're Happy and You Know It

Children's song

Happy triads

Grant Amold

Happy Halloween (Vocaloid)

Junky

Be Happy(13NRV)

Dixie D'Amelio

99.Little Fable（Op.27 No.2）

Dmitri Kabalevsky

C-2.The Happy Farmer (Op.68 No.10)

Robert Schumann

3.The Happy Farmer

Robert Schumann

99.送别

John Pond Orduay