Farm Tour and Harvest Sale

Twelve farms are featured on the 2004 Montgomery County Farm Tour. Events include hayrides, pony rides, music, petting farms and demonstrations on farm life. Fresh fruits and vegetables will be sold. 10 a.m.-4 p.m. Saturday and Sunday. Free. 301-590-2823. Brochures of the farms are available online at www.farmerlink.com.

The Puppet Co. Playhouse

"Dreamosaurus" is a musical that begins in the bedroom of Nelson, a little boy who is afraid to go to sleep. The Dream Weavers troupe and baby dinosaurs sing songs that help Nelson conquer his fears and sleep well. 11:30 a.m. and 1 p.m. Saturdays and Sundays, 10 a.m. and 11:30 a.m. Wednesdays, Thursdays and Friday. Spanish Ballroom, 7300 MacArthur Blvd., Glen Echo. $7. 301-320-6668.

BlackRock Concerts

Catch funk, zydeco, swing and soul with the Crawdaddies as part of BlackRock's summer concert series. 8 p.m. Saturday. BlackRock Center for the Arts, 12901 Town Commons Dr., Germantown. Free. 301-528-2260.

Michele Valeri, Matt Holsen, Ingrid Crepeau and a bunch of baby dinosaurs help young Nelson get to sleep in the Puppet Co.'s "Dreamosaurus."