Sir Nolan has worked with what sibling musical group signed to Republic Nashville in August 2009?
Sir Nolan Nolan Lambroza, better known as Sir Nolan, is a songwriter and record producer based in Los Angeles. 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.
Jypsi Jypsi (pronounced like 'gypsy') was an American country music group composed of four siblings, all with the surname Rische: Amber-Dawn (fiddle, vocals), Frank (guitar, vocals), Lillie Mae (lead vocals), and Scarlett (mandolin, vocals). Signed to Arista Nashville in 2007, the group has released three singles, including "I Don't Love You Like That", which reached number 38 on the U.S. country singles charts that year. The band also released its self-titled debut album in May 2008.