Which musician had a cameo appearance in the film "Harry Potter and the Goblet of Fire"?

Jarvis Branson Cocker (born 19 September 1963) is an English musician and radio presenter. As the founder, frontman, lyricist and only consistent member of the band Pulp, he became a figurehead of the Britpop genre of the mid-1990s. Following Pulp's hiatus, Cocker has pursued a solo career, and for seven years he presented the BBC Radio 6 Music show "Jarvis Cocker's Sunday Service".

Cocker contributed to the soundtrack for "Harry Potter and the Goblet of Fire", writing and performing three tracks: "This Is the Night", "Do the Hippogriff" and "Magic Works". He appeared briefly in the film as lead singer of the band the Weird Sisters.

"Harry Potter and the Goblet of Fire" is a 2005 fantasy film directed by Mike Newell from a screenplay by Steve Kloves, based on the 2000 novel of the same name by J.K. Rowling. It is the fourth instalment in the 'Harry Potter' film series and the sequel to "Harry Potter and the Prisoner of Azkaban" (2004) .

The film stars Daniel Radcliffe as Harry Potter, alongside Rupert Grint and Emma Watson as Harry's best friends Ron Weasley and Hermione Granger respectively. Its story follows Harry's fourth year at Hogwarts as he is chosen by the Goblet of Fire to compete in the Triwizard Tournament.