What is the name of the piece in the quidditch tryouts in Harry Potter and the Half-Blood Prince?

In "Harry Potter and the Half-Blood Prince," the piece played during the Quidditch tryouts is "The Weasley Is Our King." This song is sung by the Gryffindor team supporters, celebrating Ron Weasley as the new keeper. It adds a lighthearted atmosphere to the tryouts, showcasing the camaraderie and spirit of the Gryffindor team.