Simplify the following text for a Grade 12 native English-speaking person.
Original: After receiving a first prize in organ performance and improvisation in 1941 , Demessieux studied five more years privately with DuprÃ in Meudon , before she played her dÃ but recital at Salle Pleyel in Paris in 1946 .
Simplified: After receiving a first prize in organ performance and improvisation in 1941 , Jeanne Demessieux studied five more years with DuprÃ in Meudon , before she played her first recital at Salle Pleyel in Paris in 1946 .