Simplify the following text for a Grade 4 native English-speaking person.
Original: Her second marriage , in December 1947 , was to the famous bass player Ray Brown , whom she had met while on tour with Dizzy Gillespie 's band a year earlier .
Simplified: In December 1947 , she married the famous bass player Ray Brown . She had met him while on tour with Dizzy Gillespie 's band a year before .