Bloodrock 2 is the second album by the Texas rock band Bloodrock,[3] released by Capitol Records in October 1970 and produced by Terry Knight.

[4] In early 1971, the gory extended album track "D.O.A."

became the biggest hit of Bloodrock's career when it was issued in edited form as a single.

[4] The motivation for writing the song was explained in 2005 by guitarist Lee Pickens.

"I had just gotten out of this airplane with a friend of mine, at this little airport, and I watched him take off.