John William Oates (born April 7, 1948) is an American musician, best known as half of the rock and soul duo Hall & Oates along with Daryl Hall. He has played rock, R&B, and soul music, serving as a guitarist, singer, songwriter, and record producer. Although Oates's main role in the duo is being the guitarist, he also co-wrote many of the top 10 songs that they recorded, including: "Sara Smile" (referring to Hall's then-girlfriend, Sara Allen), "She's Gone", and "Out of Touch", as well as "You...