Simplify the following text for a Grade 10 native English-speaking person.
Original: The song , his solo debut single , was a number one hit on several international charts , including the Billboard Hot 100 , Hot Adult Contemporary Tracks and UK Singles Chart .
Simplified: This song was his debut single and was a Number One hit for him on many international charts like the Billboard Hot 100 , Hot Adult Contemporary Tracks and UK Top 40 charts .