Listen to Metallica on iHeartRadio

It didn't take long for Metallica to start marketing their back catalog. The band gained control of their masters last Friday, and Thursday they announced the decision to stream their music for the first time.

The band's website says, "In our never-ending quest for total control of the way our music is presented, we always make it a point to be sure that we are offering you the very best service by partnering with ground-breaking technology companies. So with that said, we are extremely proud to be a part of Spotify, who not only has a proven track record, but is by far the best streaming service."

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