HAYWARD -- Mariachi music will fill the air downtown when the 50-member Mariachi Juvenil de Hayward takes the stage at a free festival Friday evening.

The youth group is one of four musical groups performing at the fourth annual Hayward Mariachi Festival. The others are Mariachi Halcones de Oakland, Mariachi Dos and Mariachi Mexicanisimo. Dance troupes include Bale Folcolorico Xochipili and Bale Folcolorico.

An outdoor market will have Latino food and art. Those wanting to have a booth can contact the Hayward Chamber of Commerce. The chamber's Latino Business Roundtable is hosting the event with the city.

The family-friendly outdoor event takes place 4 to 9 p.m. Friday at City Hall Plaza, 777 B St.

For more information, contact the Hayward Chamber of Commerce, 510-537-2424 or go to www.hayward.org.