Answer:
J) Fats Waller
Explanation:
Hi, Fats Weller was an american pianist and composer ( also organist, violinist, singer, and entertainer).
His mentor was James P. Johnson, who offered him piano instruction free of charge when Fats Weller was a 15 years old kid.
“Ain’t Misbehavin’ was one of his most well known compositions, and "Handful of keys" is an album of his best live performances released in 1957.
B. Career and technical student organizations
Hope this helped! Sorry it took an hour to get an answer!!