Heart are cracking open the vaults with a new box set titled Strange Euphoria, out June 5th. Compiled by Ann and Nancy Wilson, the set features three CDs of never-before-heard demos and rarities, plus a DVD of a rare TV performance, The Second Ending – Featuring Heart, that originally ran on Northwest Public Television in 1976. Check out a spot-on rendition of Heart's hit "Crazy On You" from that TV appearance.

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