"In the Mood" is a song by the English rock singer Robert Plant from his second solo studio album, The Principle of Moments (1983).

"In the Mood" was written by Plant, guitarist Robbie Blunt and bassist Paul Martinez.

[2] The drummer on the recording was Genesis' Phil Collins.

[4] It was later released as a single and entered the Billboard Hot 100 on November 19, 1983, peaking at No.

It was Plant's second Top 40 single as a solo artist, following "Big Log", also from The Principle of Moments.