Complex sentence: After a band leader in a Chicago jazz club tried to publicly humiliate her by accusing her of being a blues singer, she became determined to study music and she graduated with honors from Columbia College with a degree in music.
Split into simpler sentences: After a bandleader in a Chicago jazz club tried to publicly humiliate her by accusing her of being a blues singer, she became determined to study music. She graduated with honors from Columbia College with a degree in music.