Heatwave is an international funk/disco band formed in 1975. Its most popular lineup featured Americans Johnnie Wilder, Jr. and Keith Wilder (vocals) of Dayton, Ohio, Englishman Rod Temperton (keyboards), Swiss Mario Mantese (bass), Czechoslovak Ernest "Bilbo" Berger (drums), Jamaican Eric Johns (guitar) and Briton Roy Carter (guitar). 　　They were known for their singles "Boogie Nights", "Always and Forever", and "The Groove Line".