Classic rock music comes to the stage at Somerset Valley Playhouse, during performances of Leader of the Pack—a musical based on 1960's composer Ellie Greenwood.

And last week, that performance meant a visit from original Broadway cast member Annie Golden. While there’s no guarantee of a visit from a Broadway star, there is a guarantee for an entertaining and enjoyable time.

Here's what's happening this weekend:

Watchung Arts Center Artistry of Dance
When/Where: 8 p.m. Friday at the Watchung Arts Center, 108 Stirling Road, Watchung. 
Why Go: Hot cha-cha! Enjoy championship dancers Sergei and Olga Bezrodnov, as they demonstrate the steps they'll be teaching in a new series of classes at the center.
Cost: Free.

Leader of the Pack: The Ellie Greenwich Musical
When/Where: Friday and Saturday 8 p.m., Sunday 2 p.m. at the Somerset Valley Playhouse.
Why Go: To see the story of the story of the woman who wrote 1960s classics like Chapel of Love and Da Doo Ron Ron.
Cost: $17 adults; $15 seniors and students.

Story and Craft: Polar Bear Mask
When/Where: Saturday 10 a.m. at Hillsborough Public Library.
Why Go: Because your two to six year olds can listen to a story about the bears and make a craft to take home.
Cost: The program is free, but you’ll need to register by calling 908-369-2200, extension 14.

4-H Winter Train Show
When/Where: Saturday and Sunday at 10 a.m. at the 4-H on Milltown Road.
Why Go: To watch trains move and celebrate the 4-H's train afficionados with the annual showcase.
Cost: $4 for adults, and $2 for children ages 12 and under.

Winter Craftacular
When/Where: Saturday at 10 a.m. at the Bridgewater Township Library for children ages 3 through 8.
Why Go: To hear a story and create a craft while dressed in your warmest clothes to celebrate the winter months.
Cost: Free, though registration is required.

Mapping Our Town’s Treasures
When/Where: Saturday, 1 p.m. at Hillsborough Public Library.
Why Go: To help BoroGreen, Hillsborough’s green group, find historical sites, green areas, biking corridors, and gems of the community in and around the Hillsborough area and map those points online.
Cost: Free.

"Cinderella, Cinderella"
When/Where: The Basking Ridge-based Trilogy Repertory Co. will present its annual children's play at the Bernards Township Library, 32 S. Maple Ave., at three different times on Saturday; 10:30 a.m., 1 p.m. and 2:30 p.m.
Why Go: A cool interactive play that lets your kids join in the play along with the rest of the cast.
Cost: Free, but pick up tickets in the children's library beforehand.

Hillsborough High School Winterguard Show
When/Where: Saturday, 6 p.m. at Hillsborough High School.
Why Go: To see over 20 color guards from throughout the state perform, including Hillsborough’s two teams.
Cost: Admission is $10, and you’ll want to bring extra money for food, programs and other items.

'The Wiz'
When/Where: Front & Center’s Junior and Senior Performing Arts Company will perform "The Wiz" on Friday at 7:30 p.m., Saturday at 1:30 p.m. and 7:30 p.m. and Sunday at 1:30 p.m. at Ridge High School's Performing Arts Center in Basking Ridge.
Why Go: Move on down the road to enjoy a rousing musical version of "The Wizard of Oz."
Cost: Tickets are $20 and $25 and can be purchased online or at the door.

Ridge Vs. Morristown Ice Hockey Fundraiser
When/Where: Saturday at 8:30 p.m. at Bridgewater Sports Arena, Frontier Road, Bridgewater.
Why Go: To watch your local version of ice hockey, and make a contribution to the Wounded Warrior Project for veterans through the Ridge Ice Hockey Association or Morristown Booster Club.
Cost: Gate fee of $4 for adults, $3 for students

Flapjack Fundraiser
When/Where: Sunday at 8 a.m. at Applebee's on Promenade Boulevard.
Why Go: To work with the Bridgewater Veterinary Hospital and Camp Bow Wow to raise money for Rawhide Rescue while enjoy a delicious meal of pancakes, sausage and scrambled eggs.
Cost: $10, and all money will go to Rawhide Rescue.

Dog Adoption Day at Petsmart
When/Where: Sunday at 11 a.m. at Petsmart on Promenade Boulevard.
Why Go: To adopt your new best friend when you head over to the store for wonderful new puppy.
Cost: $0 to attend, just costs associated with the adoption of the dog.

Panel Discussion on Ethics
When/Where: 11 a.m. Sunday at Temple Har Shalom, 104 M.t Horeb Road, Warren.
Why Go: Thinking cap time: an indepth-discussion of bio-ethical and legal issues faced by professionals today. 
Cost: Free.

Spaghetti Dinner
When/Where: Sunday, 1 p.m. at American Legion Post 304, 429 South Main Street, Manville.
Why Go: You can eat spaghetti and meatballs, bread, salad, desserts, and enjoy light entertainment while helping the Manville High School Jazz, Concert and Marching Bands.
Cost: $8 for adults and $5 for senior citizens and kids younger than 10.

'The Bear Facts'
When/Where: On Sunday, from 2 to 3 p.m., at the Environmental Education Center, 190 Lord Stirling Road, Basking Ridge. riday at 7:30 p.m. 
Why Go: Because we've had an awful lot of bear sightings in Bernards this past year — and a bear expert from the New Jersey Fish and Wildlife department will explain how people can share the local environment with bears when they visit populated neighborhoods.
Cost: Free