One Trick Pony was invited by M HKA to perform at Art’s Birthday on January 17, 2018. For this occasion, Liesa Van der Aa created a brand new composition, Music For Birthdays: 109 different musical variations on the most famous song ever written (Happy Birthday). On the evening of Art’s Birthday, the One Trick Pony String Quartet wished a happy birthday to all pieces of art at M HKA.