<p>[By] the early 1920's, Louis Armstrong recorded [his first] solos as a member of King
Olivers Creole Jazz Band in [such pieces as] Chimes Blues and Tears, [which] he composed with pianist Lil Hardin. </p>
<p>Why is BY wrong?</p>
<p>[By] the early 1920's, Louis Armstrong recorded [his first] solos as a member of King
Olivers Creole Jazz Band in [such pieces as] Chimes Blues and Tears, [which] he composed with pianist Lil Hardin. </p>
<p>Why is BY wrong?</p>
<p>Preposition doesn’t agree with the tense. You could either say, “BY the early 1920s, Louis Armstrong HAD RECORDED” or “IN the early 1920s, Louis Armstrong RECORDED.”</p>