Simplify the following text for a Grade 12 native English-speaking person.
Original: His orchestral works from this period include four symphonies , a set of Symphonic Variations in E minor , the Overture to an Unwritten Tragedy ( 1893 ) and the Elegy for Brahms ( 1897 ) .
Simplified: These include five symphonies , a set of Symphonic Variations in E minor , the Overture to an Unwritten Tragedy ( 1893 ) and the Elegy for Brahms ( 1897 ) .