The #1 song on April 21, 1978
Night Fever By Bee Gees
Other #1 songs on April 21, 1978
UK #1 Song
Matchstalk Men & Matchstalk Cats & Dogs (Lowry's Song)
Brian and Michael
#1 R&B Song
Too Much, Too Little, Too Late
Johnny Mathis and Deniece Williams
#1 Country Song
Every Time Two Fools Collide
Kenny Rogers and Dottie West
#1 Dance Track
Voyage (all cuts)
Voyage