Mixing African gospel with traditional hymns, Jamaican reggae, American pop, and spiritually themed secular songs, the Soweto Gospel Choir are an impressive performing unit. Formed in Soweto, South Africa, in 2002 by choir directors David Mulovhedzi and Beverly Bryer, the group includes 30-some members and the show they produce is a powerful expression of hope and joy full of gorgeous South African vocal harmonies. The choir was the surprise hit of the 2003 Edinburgh Festival: they were the fourth-highest selling act out of 1