The year in which the artist executes their comeback. New work is announced, released, and dissected by music fans and critics ad nauseum.

Justin Timberlake's 2013

Jan. 14 — Timberlake releases a new single, “Suit & Tie,” featuring Jay-Z. He also writes a letter to his fans that announces an upcoming album, The 20/20 Experience, due out later in the year.

Feb. 8 — Timberlake will star as Jim Berkey in Coen Brothers film, Inside Llewyn Davis.

Dr. Dre's 1999

Feb. 23 — Eminem releases his debut major label album, The Slim Shady LP. Dr. Dre executive produces.

Apr. 29 — Snoop Dogg releases "Bitch Please." Dr. Dre produces it and two other songs on upcoming album No Limit Top Dogg.

Sept. 10 — Dr. Dre has a minor role in the film, Whiteboyz.

Sept. 21 — Dr. Dre helps mix Nine Inch Nails track "Even Deeper" from their third album, The Fragile.

Oct. 23 — Dr. Dre performs new singles "Still D.R.E." and "Forgot About Dre" on NBC's Saturday Night Live.

Nov. 16 — Dr. Dre releases his second solo album, 2001.

Dec. 28 — Dr. Dre is featured on and produces "Watch Me" from Jay-Z's fourth studio album, Vol. 3... Life and Times of S. Carter.