According to the USTA (United States Tennis Association) Press Release:
2010 US Open Casting Call
The USTA will hold its annual US Open Casting Call on Tuesday, June 15, 2010, to find kids 12-and-under to sing during the US Open at the USTA Billie Jean King National Tennis Center.
Auditions will be held at Radio City Music Hall in New York City from 9 a.m. to 2 p.m., and children will be asked to sing a cappella (without music) all or a portion of “America the Beautiful.”
Celebrity judges will include Justin Chon and Alex Meraz from “The Twilight Saga,” and former Pussycat Dolls member Ashley Roberts. For more info go to www.usta.com.