Simplify the following text for a Grade 14 native English-speaking person.
Original: Many notable musicians came to prominence under his direction , including tenor saxophonists Lester Young and Herschel Evans , trumpeters Buck Clayton and Harry `` Sweets '' Edison and singers Jimmy Rushing and Joe Williams .
Simplified: Many important musicians came to became popular and successful with his help , like tenor saxophonists Lester Young and Herschel Evans , trumpeters Buck Clayton and Harry `` Sweets '' Edison and singers Jimmy Rushing and Joe Williams .