Hermione Granger completing Snape's homework assignment from the class, while Crookshanks proves vital in exposing Scabbers as Peter Pettigrew, a friend of James and Lily Potter who revealed their whereabouts to Lord Voldemort the night of their murders, and was able to wrongly implicate Sirius Black (revealed to be Harry's godfather) in the Potters' deaths. The Time-Turner enables Hermione and Harry to rescue Sirius and the hippogriff Buckbeak. Hermione is horrified by the cruelty that house-elves suffer, and establishes S.P.E.W., the Society for the Promotion of Elfish Welfare, as an effort to gain basic rights for them. She is Bulgarian Quidditch prodigy
Harry Potter and the Order of the Phoenix (soundtrack) Harry Potter and the Order of the Phoenix (soundtrack) Harry Potter and the Order of the Phoenix is the soundtrack to the 2007 film of the same name, based on the book by J. K. Rowling. Nicholas Hooper composed the film's score, following John Williams, who scored the first three films, and Patrick Doyle, who did the fourth. Though new to the series, Hooper had worked with director David Yates before. The soundtrack was released 10 July 2007, the day before the film's release. Hooper incorporated into the new score "Hedwig's Theme", the series' theme originally written by John Williams