Which of these is NOT a song featured on the Lockjaw EP released in 2013 by Flume & Chet Faker?

The answer is "Left Alone" because it is not a song featured on the "Lockjaw" EP released in 2013 by Flume and Chet Faker. While the EP does consist of collaborations between Flume and Chet Faker, including tracks like "This Song Is Not About A Girl," "What About Us," and "Drop The Game," "Left Alone" is not among them. It is important to accurately identify the EP's tracklist and distinguish between the songs that were included and those that were not, allowing for a comprehensive understanding of the project.