TVOne’s Unsung: “Tammi Terrell” 0 By Toni on Television TVOne recently premiered an episode of “Unsung” that featured deceased Motown sensation Tammi Terrell, a must see episode. There was so much I did not know about Tammi Terrell. Such a talented woman gone too soon, only 24 years old! Share. Twitter Facebook Google+ Pinterest LinkedIn Tumblr Email