The National are releasing their incredible 59-track, six-hour tribute album to the Grateful Dead on May 20 via 4AD and leading up to the release, a number of covers have arrived. Day of the Dead will feature Unknown Moral Orchestra performing 'Shakedown Street,' Perfume Genus and Sharon Van Etten covering 'To Lay Me Down' and My Morning Jacket's Jim James delivering his spin on 'Candyman.' Hear all those and more below, ahead of the project's arrival date.