Celestina Warbeck, a famous singing witch, remained a mystery in the Harry Potter series—readers only saw her name mentioned briefly in a few of the books. But on Monday, J.K. Rowling published a piece on Pottermore so fans could find out more about the minor character, including what her hobbies are (traveling in fabulous style) and what house she belongs to (Gryffindor).

Rowling also reveals a bit about Warbeck’s past in the post, including her status as a famous singer and her tumultuous love life. “Celestina’s personal life has provided much fodder for the gossip columns of the Daily Prophet,” Rowling wrote. “An early marriage to a backing dancer lasted only a year; Celestina then married her manager, with whom she had a son, only to leave him for the composer Irving Warble ten years later.”

Although Rowling never described the character in detail in the books, she reveals that she always imagined Celestina “to resemble Shirley Bassey,” the Welsh singer known for recording multiple James Bond theme songs, “in both looks and style.” She appears to resemble the famous singer in talent too—Pottermore also released a song, “You Stole My Cauldron But You Can’t Have My Heart,” a jazzy number “Celestina” performed at Universal Studios’ Wizarding World of Harry Potter. This is the first song ever released on the Pottermore site.

Although Pottermore users can access the song and story with their account login, also published the new content for anyone—Muggle or not—to see.