We finally have an expected release date for Band of Horses anticipated 4th studio album. The album Mirage Rock is expected to be released September 18th and from the track listing the song “Long Vows” which they debuted earlier in concert has made the album. Also, the band has released a new song called “Knock Knock”which shows off the lighter side of the band. Lets face it, no matter how many times this band changes members can they really do any wrong?