"D.O.A. (Death of Auto-Tune)" is a song written by American rapper Jay Z. It was produced by No I.D. The song was released as a digital download on June 23, 2009, and as the first single from Jay Z's 11th studio album, The Blueprint 3. The song made its world premiere on the New York radio station Hot 97 on June 5. Its lyrics address the overusage of Auto-Tune in the music industry. The song samples "In the Space" by French composer Janko Nilović. The bridge is inspired by Steam's "Na Na Hey Hey Kiss Him Goodbye" and interpolates lyrics from Kanye West's "Big Brother", and "You're Nobody (Till Somebody Kills You)" by The Notorious B.I.G.. The song won Jay Z his eighth Grammy Award, and his second for Best Rap Solo Performance.

Before making "D.O.A. (Death of Auto-Tune)", Kanye West and Jay Z had recorded an Auto-Tune song. However, Kanye heard the instrumental by No I.D. and thought about making an anti-Auto-Tune song. They then removed all the songs that contained Auto-Tune from The Blueprint 3 to further their point. Jay Z himself stated that the point of the song was to "draw a line in the sand", saying that while he appreciated the use of the Auto-Tune by artists with an ear for melody like T-Pain and Kanye West, far too many people had jumped onto the technology and were using it as a crutch. One of the partial inspirations for Jay Z to write the song was hearing Auto-Tune being used in an advertisement for Wendy's fast-food chain. It made him feel that what was once a trend had become a gimmick. The title is also a reference to the medical term "D.O.A." or "Dead on Arrival". The song makes a reference to The Notorious B.I.G. song "You're Nobody ('Till Somebody Kills You)". Jay Z sampled a portion of The Notorious B.I.G.'s freestyle "Wake Up Show Freestyle".

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