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
Janis Joplin Aretha Franklin, and others. It went on tour in 2016. On November 4, 2013, Joplin was awarded with the 2,510th star on the Hollywood Walk of Fame for her contributions to the music industry. Her star is located at 6752 Hollywood Boulevard, in front of Musicians Institute. On August 8, 2014, the U.S. Postal Service revealed a commemorative stamp honoring Janis Joplin, as part of its Music Icons Forever Stamp series during a first-day-of-issue ceremony at the Outside Lands Music Festival at Golden Gate Park. On December 15, 2015, Amy J. Berg released her biographical documentary film, "Janis: Little Girl