Suddenly - Olivia Newton-John and Cliff Richard

• Entered the US chart on 25 October 1980 and spent 19 weeks in the charts, reaching a high of number 20.
• Entered the UK chart on 19 October 1980 and spent 7 weeks in the charts, reaching a high of number 15.

• Suddenly - Angry Anderson
• Suddenly - Billy Ocean
• Suddenly - Charles Heinz
• Suddenly - Leann Rimes
• Suddenly - Marcus Miller
• Suddenly - Nickey DeMatteo
• Suddenly - Nicky Dematteo
• Suddenly - Sean Maguire
• Suddenly - Solomon Burke
• Suddenly - The Keynotes
• Suddenly - Tony Drake