Simplify the following text for a Grade 12 native English-speaking person.
Original: Horowitz was known for his performances of quieter , more intimate works including Schumann 's Kinderszenen , Scarlatti sonatas , and several Mozart and Haydn sonatas .
Simplified: Horowitz was also well known for playing quieter works like Schumann 's Scenes of Childhood , Scarlatti sonatas , and some Mozart and Haydn sonatas .