On the eve of Glee’s season finale, we’re taking a look back at this year’s most memorable performances and asking who sang each tune better: the original performer(s), or the Glee cast. So, The Warblers or Maroon 5? Lady Gaga or the New Directions? Lady Antebellum or Puck and Rachel? Listen to both versions at EW.com, then cast your vote in our polls!