1970s Mandrell; all scored hits throughout the 70s which reached both country and pop charts. The genre also saw its golden age of vocal duos and groups in this decade; with Conway Twitty and Loretta Lynn, George Jones and Tammy Wynette, Jim Ed Brown and Helen Cornelius, the Bellamy Brothers, the Oak Ridge Boys, the Statler Brothers, Dave & Sugar, and The Kendalls. A major event in music in the early 1970s was the deaths of popular rock stars Jimi Hendrix, Janis Joplin, and Jim Morrison, all at the age of 27. Two of popular music's most successful artists from other
Amy Winehouse parents have each written memoirs about their daughter and donated the proceeds from both books to the Amy Winehouse Foundation. In the introduction to Mitch Winehouse's biography, entitled "Amy: My Daughter" (2012), he explained: "Apart from being her father, I was also her friend, confidant and adviser—not that she always took my advice, but she always heard me out." Her mother Janis published "Loving Amy: A Mother's Story", in 2014. Winehouse is the subject of "Amy" (2015), a documentary directed by Asif Kapadia and produced by James Gay-Rees, Kapadia, and Universal Music. Kapadia and Gay-Rees introduced the project at the