Complex sentence: She played from memory concertos, sonatas and other compositions by Mendelssohn, Beethoven, Schumann, Rubinstein, Liszt, Schubert and Chopin, and could play the whole clavichord without notes and transpose in every key.
Split into simpler sentences: She played from memory concertos, sonatas and other compositions by Mendelssohn, Beethoven, Schumann, Rubinstein, Liszt, Schubert, and Chopin. She could play the whole clavichord without notes and transpose in every key.