JSON Baumgartner on Twitter: "Janis Joplin, Jimi Hendrix, Amy Winehouse, Jim Morrison, Kurt Cobain, Dave Alexander, Ron "Pigpen" McKernan and Kristen Pfaff were all only 27 when they passed away." / Twitter

Janis Joplin, Jimi Hendrix, Amy Winehouse, Jim Morrison, Kurt Cobain, Dave Alexander, Ron "Pigpen" McKernan and Kristen Pfaff were all only 27 when they passed away.