Pink Floyd , which they all grew up with , combine with the sound and vibe of modern acts like The Lumineers , Iron & Wine , and Bon Iver - acts which Casey had been listening to lately . “ It just seemed natural once all of us were together for those influences to kind of seep into it ,” said Casey . “ And it ’ s funny because after I wrote the album , I got even more into classic rock . I ’ ve been listening to more Stones , more Petty , and all that . I ’ ve probably listened to more of it now than when we were writing it .” His classic rock knowledge has been growing thanks to a request posted on Instagram for artists to check out . Casey listed some of the bands he liked and asked for recommendations . Friends sent him a bunch to check out that he is still going through . The band recorded much of the album in a whirlwind weekend . Brian Lawrey , who had moved to Chicago , came back for two days in the studio in which they worked all day , ending exhausted