Simplify the following text for a Grade 7 native English-speaking person.
Original: In May 1941 Sargent conducted the last performance held in the Queen 's Hall . Following an afternoon performance of Elgar 's The Dream of Gerontius , the hall was destroyed during a night-time incendiary raid .
Simplified: In May 1941 Sargent conducted Elgar 's Dream of Gerontius in an afternoon concert in the Queen 's Hall .