William Thomas Medley (born September 19, 1940) is an American singer and songwriter, best known as one half of The Righteous Brothers. He is noted for his bass-baritone voice, exemplified in songs such as "You've Lost That Lovin' Feelin'". Medley produced a number of the duo's songs, including "Unchained Melody" and "Soul and Inspiration".
Medley is a successful solo artist, and his million-selling #1 duet with Jennifer Warnes "(I've Had) The Time of My Life" won a number of awards.