"A Dog's Prayers" includes four previously released tracks -- "Prayer - Skit," "Prayer III," The Prayer IV," and "The Prayer V." The EP runs 8 minutes.
The tracks, released by Def Jam Recordings, are a mix of spoken word and music that have appeared on DMX's albums over the years.
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The compilation comes as DMX, whose real name is Earl Simmons, is reportedly nearing the end of his life.
His long-time manager and close friend, Craig Brodhead, said he is not expected to live past Friday.
Brodhead told FOX 5's Lisa Evers that DMX's condition has been deteriorating.