▁ 2 9 ▁April ▁ 2 0 1 5 , ▁the ▁band ▁performed ▁" The ▁Wolf " ▁on ▁The ▁Graham ▁N orton ▁Show . ▁ ▁W ilder ▁Mind ▁was ▁released ▁ 4 ▁May ▁ 2 0 1 5 . ▁On ▁May ▁ 5 ▁May ▁ 2 0 1 5 , ▁the ▁band ▁recorded ▁" Bel ieve " ▁for ▁the ▁Late ▁Show ▁with ▁David ▁Let ter man ▁before ▁performing ▁a ▁full ▁set ▁of ▁songs ▁for ▁live - stream ed ▁web cast ▁Leg ends ▁of ▁Let ter man . ▁The ▁band ▁continued ▁this ▁US ▁prom o ▁with ▁an ▁appearance ▁on ▁The ▁Daily ▁Show ▁with ▁Jon ▁Stewart ▁on ▁ 7 ▁May ▁ 2 0 1 5 ▁and ▁live ▁stream ed ▁concert s ▁for ▁i He art Radio ▁and ▁Si ri us X M ▁on ▁ 8 ▁and ▁ 9 ▁May ▁ 2 0 1 5 ▁respectively . ▁ ▁Singles ▁" Bel ieve " ▁was ▁released ▁as ▁the ▁first ▁single ▁from ▁the ▁album ▁on ▁ 9 ▁March ▁ 2 0 1 5 ▁world wide . ▁The ▁song ▁premier ed ▁on ▁BBC ▁Radio ▁ 1 ▁and ▁was ▁made ▁available ▁to ▁download ▁and ▁stream ▁straight ▁after , ▁with ▁the ▁official ▁audio ▁being ▁uploaded ▁to ▁the ▁band ' s ▁YouTube ▁channel . ▁An ▁official ▁live ▁video ▁of ▁the ▁band ▁performing ▁the ▁song ▁was ▁uploaded ▁to ▁YouTube ▁on ▁ 2 9 ▁April ▁ 2 0 1 5 . ▁The ▁song ▁was ▁the ▁first ▁M um ford ▁& ▁S ons ▁single ▁to ▁receive ▁no ▁official ▁music ▁video . ▁ ▁" The ▁Wolf