(Hermione)
Your attention please.
Two, Three
Expelliarmus 
Expecto
-tronus (tronus)
mmhmm
Thanksssss
Expelliarmus
 
mmhmm

Werewolf
Expelliarmus
Expecto
-tronus (tronus)
(mmhmm)
Thanksssss
Expelliarmus 
One, Two, Three

Won’t they, (no one), Only, O-sa, on your nose by the way, no, O-sa, They, Voldem-Harry, Only Stone, Where (x4)

Won’t, I, Oculus, they, well, they, used, to, Voldem, Oculus, Where, Harry, those, I, Oculus, potion, well they, used, to, Voldem, one, Oculus, where, blood

Wont, I, oculus, they, to, well, they, used, go Voldem, oculus, where, a werewolf, those, I, Oculus, potion, well, they, used, go, Voldem, one, Oculus, Where, blood

Lies within the chamber
Ha!
I wonder
(smash)
Ha!
Miss Granger
Ha!
I wonder
Evera
Lumos Maxima
Sunshine Daises Butter Mellow
Tah da dadah, tah da dada, da
Sunshine Daises Butter Mellow
I strongly [bad word] 
Potion
Mandragora
No such chamber
Anyone who hears it 
Why is it always me?
Mandragora
No such chamber
One two three

Won’t they, (no one), Only, O-sa, on your nose by the way, no, O-sa, They, Voldem-Harry, Only Stone, Where (x4)

Won’t, I, Oculus, they, well, they, used, to, Voldem, Oculus, Where, Harry, those, I, Oculus, potion, well they, used, to, Voldem, one, Oculus, where, blood

Wont, I, oculus, they, to, well, they, used, go Voldem, oculus, where, a werewolf, those, I, Oculus, potion, well, they, used, go, Voldem, one, Oculus, Where, blood

I think thats the lyrics. I'm not sure though.