Matt Dorrien is a singer-songwriter from San Francisco who recently moved to Portland. The essential elements to Matt Dorrien’s rollicking, Tin Pan Alley-inspired new record are as follows: piano, Nilsson, whiskey, heartbreak, a little more whiskey, Randy Newman, old phonographs, and New Orleans brass bands. A big, swinging pean to loneliness and the golden age of pop songwriting, In the Key of Grey is the sound of East Village piano bars long past closing