Question: This successful pop singer who sold more than 45 million records collaborated with the musician of what song that reached Top 40 in 1961?
Sentence (from "Hanson (band)"): Hanson has sold over 16 million records worldwide and have had 8 top 40 albums and 6 top 40 singles in the US, as well as 8 top 40 singles in the UK.
Relevant evidence: No