Question: Who introduced the bass clarinet as a solo instrument in jazz?
Disambiguated questions and answers: question: Who recorded the first known bass clarinet solo in jazz?
Who introduced the bass clarinet as a solo instrument in jazz by recording the first jazz album on which the leader solely played bass clarinet?
Who was the first musician to play as a major jazz soloist on the bass clarinet?
answer: Wilbur Sweatman
Herbie Mann
Eric Dolphy
Natural Questions answer: Herbie Mann (from the Wikipedia article "Bass clarinet")