Background: Notable among a number of songs commonly played and sung at various events such as commencement and convocation, and athletic games are: "I’m a Jayhawk", "Fighting Jayhawk", "Kansas Song", "Sunflower Song", "Crimson and the Blue", "Red and Blue", the "Rock Chalk, Jayhawk" chant", "Home on the Range" and "Stand Up and Cheer."
Question: What are two events non-sports at which school songs are often heard?
Answer:<extra_id_0>.
<extra_id_0> commencement and convocation<extra_id_1>