[1] Educated at the independent Tonbridge School, Fincham read music at Gonville and Caius College, Cambridge.

[5] Later that year, Fincham was commissioned by the London Philharmonic Choir to write a new Christmas carol.

On 20 December 2017, "Ring the Bells" was premiered at the Royal Albert Hall at the choir's concerts presented by Alan Titchmarsh.

[7] In 2018, Fincham was commissioned by the British Museum to write a new work inspired by their Celtic Collection.

On 21 June 2018, along with his violin piece, Suilven, Awen (meaning poetic inspiration in ancient Welsh/Breton/Cornish) was premiered by the London Philharmonic Choir under their artistic director, Neville Creed.