Sir Nolan has worked with what sibling musical group signed to Republic Nashville in August 2009?
Sir Nolan:  He has worked with notable artists such as Nick Jonas, Selena Gomez, Demi Lovato, Justin Bieber, Lil Wayne, Jason Derulo, Enrique Iglesias, Kelly Clarkson, Pitbull, Chris Brown, Poppy, Christina Aguilera, Magic, The Wanted, Rita Ora, Dan + Shay, Lady Antebellum, The Band Perry and many more. The Band Perry: The Band Perry is an American music group composed of siblings Kimberly Perry (lead vocals, guitar, piano), Reid Perry (bass guitar, background vocals), and Neil Perry (mandolin, drums, accordion, background vocals). The Band Perry:  They signed to Republic Nashville in August 2009 and released their self-titled debut album on October 12, 2010.
The Band Perry