useless trivia: What Word Means: To Watch Over?

Questions

(Sp.) - A quick Spanish dance with singing in 3 / 4 time often with castanets and similar to the bolero.?

(Ger.) - Very.?

- 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.?