"Rock With You" Was Released On November 3 1979 As The Second Single From Michael Jackson's Fifth Solo LP And Breakthrough Album Off The Wall. Written By Heatwave Group Member And Songwriter Rod Temperton The Song Helped Jackson Score One Of The First Billboard Number-One Singles In The 1980s As Well As One Of The Last Big Hits Of The Disco Era. It Reached Number One On Both The Pop And R&B Singles Chart And Became One Of Jackson's Most-Loved Songs. A Video For The Song Shows A Smiling Jackson Dancing In A Sequined Suit Against A Background Laser. According To Billboard The Song Was The Fourth Biggest Single Of 1980.