Yes, Fela Kuti was listed in the Guinness Book of World Records for being the most prolific recording artist in the world, with over 200 albums to his name during his career.
the artist with the most UK top 40 hit singles during the 1980s was Shakin Stevens. Shakys career spanned exactly the whole decade, with first hit in 1980 and the last in 1989.
If "Pop" means the most "Popular Appeal" then obviously the first "Pop" artist would have been the artist who sold the most records and performed more during 1926 when the word "Pop" was first used. That's how I would vote for the first Pop artist.
Julio Iglesias
Yes, Ip Man, a renowned martial artist, did lose a few fights during his career, but he is most famous for his impressive skills and victories.
Michael Jackson
Alejandro Sanz earned a spot in the Guinness Book of World Records for having the most Latin Grammys won by a male artist. As of 2021, he has received a total of 24 Latin Grammys throughout his musical career.
George Strait
Tereasa Moongle
Lil Wayne's 'Tha Carter III' sold the most records in 2008. It broke 50 Cent's record by selling 1 million records in its first week.
probably Olivia newton john
Taylor Swift 4.4 million in 2010