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The Irving M. Klein International String Competition is recognized as the world's leading competition for young string musicians  and one of the most prestigious international events.[failed verification] It is open to young musicians, ages fifteen to twenty-three, and takes place every June in San Francisco, California. The competition was founded in 1985.
The format of the competition is that each entrant (no more than twelve, selected from among many taped applications) performs a twenty-minute recital on the first day. The judges select up to five finalists who play longer programs on the second day. The judges then select the top three to perform full concertos with orchestra on the final evening of the competition. The performances are open to the public and attract an enthusiastic and supportive audience.
Past winners of the competition:
In the book The Eggnog Chronicles, one fictional character is introduced as "the youngest violinist to win the Irving M. Klein String Competition." 
- Shepherd School of Music
- "Noontime Concerts". Archived from the original on 2007-08-08. Retrieved 2007-08-24.
- KQED-TV Arts
- "About the Klein Competition". Archived from the original on 2007-09-27. Retrieved 2007-08-24.
- Past Competition Winners
- Alexander, Carly (2004). The Eggnog Chronicles. Kensington. pp 33-34.