Late last year, long-running pop act the Walkmen announced a hiatus.  In the meantime, frontman Hamilton Leithauser has announced plans for his debut solo album, Black Hours, which will see release on May 6. Reports say that the album will feature Vampire Weekend’s Rostam Batmanglij, the Shins’ Richard Swift, Fleet Foxes/Cave Singers member Morgen Henderson and The Walkmen’s Paul Maroon.