Matt Cameron Reveals if New Soundgarden Album Is Done, Opens Up on Hearing Chris Cornell’s Voice Again: ‘It’s Been Tough to Solo Up That Voice and Hear Him Loud and Clear’  Ultimate GuitarSoundgarden Unlikely to Release Final Album Before Rock Hall Induction, Drummer Says  BillboardOur concerts were too long, iconic rock band’s drummer says; leaves group after 27 years  NJ.comMatt Cameron Admits He Was ‘Having Some Issues’ With Pearl Jam’s ‘Constant Touring’  Rolling Stone“It’s been a really amazing and bittersweet process.” Matt Cameron on the emotion of making a new Soundgarden album using demo vocals recorded by the late Chris Cornell  Louder