Harry Plant, born in Eastbourne East Sussex, graduated from the Guildhall School of Music and Drama in 2020 with a first-class honours degree studying classical trumpet performance. He started learning cornet at the age of 3, taught by his father, Marcus Plant. Throughout his childhood, he attended many of the local music service ensembles, as well as many of the local brass bands. As well as being classical trained as a trumpet player, Harry also has a vast amount of experience in the folk, jazz and pop genre, on trumpet and flugelhorn.