Vintage Wine Bar and Hopskeller Brewing in Waterloo are joining together to present the Back Alley Grass Festival next Saturday and Sunday, May 19-20.

Starting at noon both days, area bluegrass bands including Scrambled, Riverbend, Grass Fed Mule, Clusterpluck, Three Crooked Men and others will perform.

Festival wristbands will be sold at both establishments.

Cost is $10 both days.