<Ul> <Li> Toccata, Op. 7 </Li> <Li> Fantasie in C, Op. 17 </Li> <Li> Arabeske, Op. 18 </Li> <Li> Symphony No. 2, Op. 61 </Li> </Ul> <Li> Toccata, Op. 7 </Li> <Li> Fantasie in C, Op. 17 </Li> <Li> Arabeske, Op. 18 </Li>

What are the notes in the key of c