<prompt> Translate the following text to EnglishPiano nzuri ya Skandinavia, mashine ya kupiga muziki yenye diski, na piano zote zilitumiwa kwa ajili ya kucheza dansi au maonyesho katika jumba la dansi.  <response>: A fine Scandinavian piano, a polyphone machine with disks, and a pianola were all used for dancing or recitals in the ballroom. 