UnScramble this Word: t a l s f i t u?

Questions

- A rapid but minute fluctuation in pitch to give an expressive quality to a note (e.g. by a violinist's oscillations of the left hand). The degree and style is related to the intensity of feeling in the music.?

(Fr.) - Empty. Cordc a vide, open string.?

(Fr.) - Lively.?

- A performer with brilliant technique and exceptional skill.?

(Fr.) - Fast.?