"In the Mood" is a rock song performed by English singer Robert Plant, from his 1983 album The Principle of Moments. As a popular album track it reached number four on the Billboard Top Tracks chart - It was later released as a single and entered the Billboard Hot 100 on November 19, 1983, peaking at number 39 in January 1984. It was Plant's second top 40 single as a solo artist, following "Big Log", also from The Principle of Moments. "In the Mood" was written by Plant, guitarist Robbie Blunt and bassist Paul Martinez. The drummer on the recording is Phil Collins. How about today?