[2] On 6 April 2016, it was announced that James Newton Howard would be composing the music for the film with veteran Harry Potter director David Yates at the helm and J.K Rowling penning the screenplay.

[3] Howard stated that the film posed a "particular challenge" for him as it needed to be different and distinguishable from the previous Harry Potter films which saw iconic themes from acclaimed composers John Williams, Patrick Doyle, Nicholas Hooper and Alexandre Desplat.

[4] In an interview with Pottermore, Howard stated that "it really is a balance of keeping the magic, the slight tension and the comedy.

For Jacob, Howard crafted a tune that encompasses "lazy, bluesy 1920s quasi-jazzy kind".

[5] The score was conducted by Pete Anthony with a 97-piece of the London Symphony Orchestra and was recorded at Abbey Road Studios in London, with orchestrations provided by Anthony, Jeff Atmajian, Peter Boyer, David Butterworth, Chris Egan, Jim Honeyman, Philip Klein, Jon Kull and John Ashton Thomas.