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LOS ANGELES, August 18 (UPI) -- A definitive collection of songs from Megadeth, one of the longest-lived U.S. heavy metal rock bands, is due out in late September, the band says.

The two-CD, 35-track greatest hits package, called Anthology: Set the World Afire, is due out September 30 from Capitol/EMI Records and will feature a previously unreleased demo tape and a pair of rare concert recordings, a statement from the record label revealed Monday.

Megadeth’s debut album was 1985’s Killing Is My Business... And Business Is Good and the metal band has since put out 16 albums of live and studio performances.

Capitol/EMI says the new compilation will include Megadeth's top hits such as "Trust," "A Tout Le Monde," "Insomnia" and "Train of Consequences," and will also feature rare 1992 concert recordings of "Peace Sells" and "Symphony of Destruction," song that previously were available only in limited release.

Also included will be a previously unreleased demo version of "High Speed Dirt."

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