[1] Originally from Galway, Ireland, he participated in competitions at various Fleadhs throughout the country.
[1] He studied classical piano at University College Cork, where he completed a B.
He also worked with traditional musician friends Frankie Gavin and Joe Derrane and jazz/blues singer Mary Coughlan.
Gavin also played on Hession's album Ceol Inne Ceol Inniu - Old Time New Time, along with Jackie Daly, Steve Cooney, Kevin Crawford and others.
[1] Hession has written and arranged compositions for a number of orchestras and ensembles and collaborated with Aidan O'Carroll on the album Songs My Mother Taught Me.