Slytherin Choir Class

We all know that the 'Weasley is our King' song was a musical phenomenon written by Draco Malfoy. But what we don't know is the hard work that the Slytherins put into perfecting it. Watch as the Slytherins band together to get everything perfect for the Quidditch match against Gryffindor, so that they can finally have their Sweet Victory.