American music group Naturally 7 will present a night of a cappella May 21 at the Shenzhen Concert Hall.

    Naturally 7 has a distinct a cappella style. They simulate the sounds of an instrumental band using only their voices, mouths and distortion effects. Naturally 7 was founded in 1999 by brothers Roger and Warren Thomas, who recruited five other singers the brothers had come to know over the years.

    Naturally 7 has released a number of albums over the years since their formation in New York City in 1999, including their first debut studio album entitled “Non-Fiction” released in 2000, “What Is It” released in 2003, “Christmas ... It’s a Love Story” released in 2004, and “Ready II Fly” in 2006.

    The group gained success by the partial cover of Phil Collins’ “In the Air Tonight,” titled as “Feel It (In the Air Tonight),” which contains additional lyrics from the group.

    Time: 8 p.m., May 21

    Tickets: 80-480 yuan

    Reservations: 400-610-3721

    Venue: Shenzhen Concert Hall, intersection of Hongli Road and Yitian Road (福田区红荔路和益田路交汇处深圳音乐厅)

    Metro: Longhua or Longgang Line, Children’s Palace Station (少年宫站), Exit D(SD News)