Original: His compositions include the operas Samuel Pepys and Pickwick , a piano concerto and a symphonic poem The Eagle , dedicated to the memory of his former teacher Artur Nikisch , which was performed in Leeds in 1925 .
Simplified: He composed several works including operas and a symphonic poem The Eagle , dedicated to the memory of his former teacher Artur Nikisch , which was performed in Leeds in 1925 .