America's Got Talent has been in full swing this summer! In case you missed it, check out these amazing performances from last night's Quarter Finals!

Brian King Joseph: Violinist Performs Epic Rendition Of "Centuries"
Dancers: Jamar "Soup" Campbell and Nugget 

Hans: German Superstar Spices Up Your Life With Winter Extravaganza
Dancers: Lindsay Ducos and Jenny Dailey