Jamie Cullum - "The Pianoman At Christmas" Triple Platinum-selling singer, songwriter, and pianist Jamie Cullum returns with his holiday big-band album The Pianoman At Christmas. Jamie's most expansive album to date spans 10 original songs, features 57 musicians, and was recorded at the hallowed Abbey Road Studios. With production by Greg Wells (Adele, Dua Lipa), the album is sure to become a timeless Christmas staple.