The Nolza! tour was the debut concert tour by Korean group 2NE1. The tour supported their second extended play, 2NE1 (2011), and its Japanese version, Nolza. Members of Big Bang, Taeyang and GD & TOP, joined the tour as guest performers. An intended show in Bangkok, Thailand was cancelled due to flooding.

Collection is a Japanese compilation album by South Korean girl group 2NE1. It was released on March 28, 2012, in four different editions: CD+2DVD+Photobook, CD+DVD, CD+Goods and a Regular edition. The album contains three new tracks: "Scream", "She's So " and a cover of Madonna's "Like a Virgin".