Answer: Soviet Union
More information: The Tbilisi Rock Festival was the first official music event of its kind in the Soviet Union when it was held in 1980. As such, it marked a significant date in the history of Soviet/Russian rock music.
Answer: 10 Million
More information: An album or single must have sold at least 10 million copies before it receives diamond certification from the RIAA.
Answer: Kurt Cobain
More information: Kurt Cobain of Nirvana fame committed suicide at the age of 27 in 1994. Although his career was very brief, he established himself as one of the greatest rockers in modern history.
More information: Band-Aid consisted of mostly British and Irish acts such as U2, Wham! and Culture Club, who were committed to alleviating poverty in the East African nation of Ethiopia.
More information: Many look back at 1969's Woodstock music festival in Upstate New York as the personification of 1960's American counterculture, with Jimi Hendrix's rendition of "the Star Spangled Banner" being one of the highlights of the event.
Answer: Theremin - It's familiar, haunting tones are coaxed out of the machine by waving one's hands around it.