John Williams - Harry Potter and the Prisoner of Azkaban (Original Motion Picture Soundtrack) [2LP]

John Williams took the Harry Potter sound somewhere darker and stranger for Harry Potter and the Prisoner of Azkaban, a 2004 score full of mischief, menace and old-world colour.

The third film brought in director Alfonso Cuarón and a moodier visual style, and Williams responded with his most adventurous Potter music. The familiar Hedwig theme still appears, but much of the score heads into fresh territory, from careening jazz-inflected brass to a playful waltz and choral writing with a folkloric edge. It would be his last full score for the series.

Double Trouble sets a youthful choir to lines adapted from Macbeth, all bubbling cauldrons and spooky charm. Buckbeak's Flight soars on broad, romantic strings, while A Window to the Past slows everything down into a tender, wistful piece tied to memories of Harry's parents.

The Knight Bus is a riot of clattering percussion and swaggering brass that captures the film's sense of chaotic fun, and the closing cues build toward a thrilling, time-bending finale. Throughout, Williams balances whimsy with genuine dread, matching the story's growing maturity.

For collectors building a Potter shelf, or anyone who loves orchestral storytelling, this is Williams at his most inventive, a score that rewards close listening long after the credits have rolled.