Name the Artist: Lies?

Questions

- The smallest interval commonly used in European music. On the piano this is represented by the interval between any note and the next note which may be higher or lower.?

(It.) - Simple, simply.?

(It.) - Always. Sempre piu mosso, always getting faster.?

(It.) - Without.?

- (1) A group of seven performers which may consist of instrumentalists or singers; (2) A composition for seven performers which, if for instrumentalists, will have the character of a sonata in several movements.?