Although different groups of people have different demographics, the general breakdown suggests that Reds comprise 25% of the population; Blues 35%; Whites 20%; and Yellows 20%. A 45-question test assesses one's color, based on whether you answer A, B, C, or D.
In 1926, promoter C.C. Pyle created the first professional tennis tour with a group of American and French tennis players playing exhibition matches to paying audiences. The most notable of these early professionals were the American Vinnie Richards and the Frenchwoman Suzanne Lenglen.
Andrea Amati (c.1511-1577) who was originally a maker of lutes, viols and rebecs, began the school of violin making in Cremona. He is widely credited with creating the first known violin. Antonius (Antonio) and Hieronymus (Girolamo) Amati (c.1540-1607), (c.1561-1630) were the sons of Andrea Amati.