e/Vortex I

Information
has gloss	eng: Vortex I: A Biodegradable Festival of Life, more commonly known as just Vortex I, was a week-long rock festival sponsored by the U.S. state of Oregon, and held in 1970 in Clackamas County near Portland. Held in order to prevent violent protests during a planned Richard Nixon appearance in the state , it remains the only state-sponsored rock festival in United States history.
lexicalization	eng: Vortex I
instance of	(noun) a performance of music by players or singers not involving theatrical staging concert