Misc: A computer small and light enough to be held in one hand?

Questions

(It.) - See polonaise.?

- A moderately fast dance in 2 / 4 time for couples, originating in Bohemia in the 19th century and becoming popular in Europe and the U.S.A.?

- A Spanish dance in fast, syncopated 3 / 4 time with song.?

- A stately Polish dance in moderately fast 3 / 4 time dating from at least the 16th century. Composers include Bach, but the most famous examples are the 13 written by Chopin.?

- Term describes the use of several choirs performing both separately and jointly in a composition.?