What makes Tranquilize by The Killers notable?

'Tranquilize' features a notable cover of Joy Division's 'Shadowplay,' showcasing The Killers' ability to reinterpret classic tracks for a modern audience. The EP received positive reviews and helped maintain the band's relevance during a transitional period following their breakthrough success. Released on October 8, 2007, 'Tranquilize' came out as a follow-up to The Killers' successful album 'Sam's Town.' At this point in their career, the band was solidifying their status in the alternative rock scene while experimenting with new sounds, which is evident in this EP that includes collaborations with notable artists.