Main Themes and Theme Songs Throughout the Harry Potter Series
Riding on a broom and flying, controlling flames, opening any door with a key—magic really makes you dream, doesn’t it?
In this article, I’d like to introduce the main theme and insert songs from the globally popular film series Harry Potter.
Many of you probably remember the boom when Harry Potter and the Philosopher’s Stone was released.
A magical world right next to where we live… it’s so romantic, isn’t it?
Listen to the songs featured here, and you’ll surely feel like watching the movies again!
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[Harry Potter] Series: All-time Main Themes and Theme Songs (11–20)
Gilderoy LockhartJohn Williams

This is the theme song of Gilderoy Lockhart, a character from Harry Potter and the Chamber of Secrets.
Lockhart served as the Defense Against the Dark Arts professor at Hogwarts School of Witchcraft and Wizardry.
He’s a confident man who has published numerous books recounting his own exploits.
As for what he’s really like… I’d be grateful if you could watch the film to see for yourself, but this piece perfectly captures his character.
Doesn’t it give off a vibe that there’s something a bit shady going on beneath the surface?
A New BeginningAlexandre Desplat

As the Japanese title “A New Beginning” suggests, this is a piece whose strings resonate in the heart and make you feel the story will continue from here.
It plays after the final battle in the series’ last film, Harry Potter and the Deathly Hallows – Part 2.
The Harry Potter films produced many great themes, and this one’s grand, fitting tone makes it a perfect finale.
Though short, it delivers tremendous catharsis.
Listening to it may make you want to rewatch the series from the very beginning.
Introducing ColinJohn Williams

Colin Creevey, a new student who was sorted into the same Gryffindor house as Harry Potter.
Colin, who is Muggle-born, had been a huge fan of Harry even before coming to Hogwarts.
He must have liked Harry so much that, upon their very first meeting, he went straight to calling the upperclassman by his first name.
Colin’s theme song is “Introducing Colin.” It gives off a friendly, endearing vibe, doesn’t it?
Knockturn AlleyJohn Williams

The protagonist, Harry, tries to go to Diagon Alley using Floo Powder.
Because his pronunciation of the destination is unclear, he ends up in Knockturn Alley, where only items related to the Dark Arts are sold.
Suspicious goods and frightening wizards.
Scary! From the opening, where you can almost hear his inner voice saying, “Where… am I?”, to the sense of relief when he luckily makes it back to his intended destination—this is a piece that feels as if it directly reflects Harry’s shifting emotions.
The Arrival Of Baby HarryJohn Williams

John Williams’s “The Arrival of Baby Harry.” It’s the piece that plays in Harry Potter and the Philosopher’s Stone.
It’s striking how it begins with an eerie, lonely glockenspiel tone.
The choral voices also evoke a sense of unease, as if you’ve wandered into a deep forest—but in the latter half, the piece lets a little light shine through.
Diagon Alley The Gringotts VaultJohn Williams

Here is the theme song of Diagon Alley that appeared in Harry Potter and the Philosopher’s Stone.
It’s the place where the items needed for wizarding school are sold, and where Harry and Hagrid walked.
The piece is crafted with dynamic expression, perfectly suited to a mysterious town.
[Harry Potter] Series Main Theme Songs (21–30)
Harry’s Wondrous WorldJohn Williams

The string-led phrases make me imagine the beginning of a story.
It’s a main theme–type piece used in Harry Potter and the Philosopher’s Stone and Harry Potter and the Goblet of Fire.
Its structure feels like a combination of several pieces of background music from the films, so you might picture different scenes as it plays.
True to the title, the sound conveys Harry’s excitement and sense of anticipation as he finds himself living in a mysterious world.
If you’re thinking of diving into the series’ music, this is the one to start with!


