There Are Two Artists Named "4 Corners" 1 A Free Jazz Group On Clean Feed Records 4 Corners Brings Together Adam Lane Ken Vandermark Paal Nilssen-Love And Magnus Broo. Adam Lane Double Bass Ken Vandermark Baritone Saxophone Clarinet & Bass Clarinet Magnus Broo Trumpet Paal Nilssen-Love Drums 2 A Hip-Hop Collective From New Zealand.