Fans mourn grunge rock icon Kurt Cobain of Nirvana 25 years after death (AP Photo/Elaine Thompson)Fans mourn grunge rock icon Kurt Cobain of Nirvana 25 years after death (AP Photo/Elaine Thompson)Fans mourn grunge rock icon Kurt Cobain of Nirvana 25 years after death (AP Photo/Elaine Thompson)Fans mourn grunge rock icon Kurt Cobain of Nirvana 25 years after death (AP Photo/Elaine Thompson)File photo: Kurt Cobain performs in Seattle, 1993 (AP Photo/Robert Sorbo, File)File photo: Kurt Cobain (AP Photo/Mark J.Terrill, File)