Richard Christopher Harrison is an American record producer and songwriter specializing in R&B and hip hop music. The winner of a Grammy Award, Harrison is well known for producing songs such as "Get Right", "1 Thing" and "Crazy in Love". Harrison is the founder of Richcraft Entertainment, a label that housed artists such as singer Amerie, R&B girl group RichGirl, and rapper Young Steff.

Amerie Mi Marie Nicholson is an American actress, singer-songwriter, and writer. She has released four studio albums to date: All I Have (2002), Touch (2005), Because I Love It (2007), In Love & War (2009). She is best known for her 2005 single "1 Thing".