In one of the most delightful sequences in director John Carney's Once follow-up, Begin Again, the characters played by Mark Ruffalo and Keira Knightley traipse around New York using a headphone ...

Once upon a time—in that long-ago year of 2007—there was a magical musical called Once. Set in Dublin, it was the tale of two emotionally damaged musicians whose lives intersected just enough for them ...