Six years on from Modern Vampires of the City, Vampire Weekend have returned with Father of the Bride, a sprawling double album which finds singer Ezra Koenig trying to find his voice since the departure of Rostam Batmanglij (Rostam) from the band. When the New York outfit first appeared in 2008, they owed their unique sound to a mix of classical, African and western pop influences – never before had a combination of harpsichord, strings, bass, and drums sounded as good as it did on ‘M79’. This evidently was largely due to Rostam, the band’s multi-instrumentalist who has since taken…