music: 50's Chart Toppers: Name The Artist: Angel Smile?

Questions

- A harmonic device in which the effect of a discord is softened by first employing the note which actually causes that chord to be discordant, in the previous note with which it is consonant.?

- A 20th century term, coined by John Cage, describing a piano which has been prepared by the insertion of objects between the piano strings for performance (e.g. a piece of cardboard).?

(Fr.) - Increase speed.?

(It.) - Very fast. Superlative of presto.?

(It.) - Fast. In Mozart's music this means as fast as possible.?