Misc: What goes round and round in a police cars light?

Questions

In his G-minor sonata he instructs the player to begin "so schnell wie moglich" (as fast as possible). ?

What constitutes the surprise in Haydn's "Surprise Symphony" ?

Domenico Scarlatti acquired novel ideas on the use of rhythm and harmony during his sojourn in what country ?

His publishers referred to him as the "Finnish Chopin". ?

His Opus 117 No. 1 in E-flat if remmebered as the beautiful "Cradle Song". ?