Smokey Robinson and Sheila E are among those who will perform live on “A Capitol Fourth”, the annual PBS special celebrating US Independence Day. It will air July 4 at 8pm, and will also feature fireworks live from the West Lawn of the US Capitol in Washington. Alfonso Ribeiro will host, and other performers include: Sister Sledge, Fantasia, Darren Criss, Fitz and Noelle from Fitz and The Tantrums.