Simplify the following text for a Grade 9 native English-speaking person.
Original: She made about 160 recordings for Columbia , often accompanied by other popular musicians like Louis Armstrong , James P. Johnson , Joe Smith , Charlie Green , and Fletcher Henderson .
Simplified: She made some 160 recordings for Columbia , often accompanied by the finest musicians of the day , most notably Louis Armstrong , James P. Johnson , Joe Smith , Charlie Green and Fletcher Henderson .