Slowed-Down Pop Song Recording

I'm looking for a talented singer to record a slower version of a pop song ‘only thing I ever get for Christmas’ by Justin Bieber using the original lyrics. This is for myself & partner to walk down the aisle too at our wedding... (Budget: £20 - £250 GBP, Jobs: Audio Editing, Audio Engineering, Audio Production, Audio Services, Music, Music Production, Music Transcription, Sound Design)