"Peace Sells" is from the album Peace Sells... but Who's Buying?, written by Dave Mustaine. VH1 has ranked it as #11 on their list of the 40 greatest metal songs of all time.
The opening bassline was also used as the theme for MTV News. Accotding to the Peace Sells Songfacts, Dave Mustaine never received any royalties from MTV for their use of the song. Lyrically, it deals with disillusion, Cold War politics, and military combat, all recurring themes in Megadeth songs. .