Simplify the following text for a Grade 8 native English-speaking person.
Original: Other pieces with which he was closely associated were Scriabin 's Ã tude in D-sharp minor , Chopin 's Ballade No. 1 in G minor , and many Rachmaninoff miniatures , including Polka de W.R. . Horowitz was acclaimed for his recordings of the Rachmaninoff Piano Concerto No. 3 , and his performance before Rachmaninoff awed the composer , who proclaimed `` he swallowed it whole .
Simplified: Other pieces he was famous for were Scriabin 's Ã tude in D-sharp minor , Chopin 's Ballade No. 1 in G minor , and many of Rachmaninoffâ s short pieces , including Polka de W.R. Horowitz was praised for his way of playing the Rachmaninoff Piano Concerto No. 3 , and the composer said `` he swallowed it whole .