The Grammy Awards were full of unknowns: Why did Carrie Underwood perform 16 songs in a row, why did Imogen Heap show up with a garden on her head—and why, oh, why, was Quentin Tarantino on the guest list? Even more of an enigma is why he opted to park so far away from the after-party at Boulevard 3. Come on, Quentin, you've been in Hollywood  for a while. Surely you've heard of valet?