What's happening around York this weekend

Hanover Little Theatre presents "Weekend Comedy," Friday through July 17 at the theater, 360 Blooming Grove Road. Two couples — one middle-aged, the other in their 20s — reserve the same one-bedroom, one-bathroom cottage for the same weekend and decide they'll stick it out once the mistake is discovered. Showtimes: 8 p.m. Fridays and Saturdays, 2 p.m. Sundays. Tickets: $11-$12; the theater will donate $2 per ticket for Saturday's performance to Friends of Codorus State Park with a matching anonymous donation. Information: www.hanoverlittletheatre.com or 637-5297.
Hanover's Black Rose Rollers will host the York City Derby Dames for a roller derby showdown Sunday. Doors open at 5 p.m., first whistle at 6 p.m., Magic Elm Skateland, 625 W. Elm Ave., Hanover. Tickets: $5 in advance, $7 at the door. Information: blackroserollers.com.
Springettsbury Township's Sounds of Summer concert series continues with Decadia on Sunday and Re-Creation on Wednesday at the Springettsbury Township Amphitheatre. Decadia plays favorites from the 1980s, while Re-Creation features dancing and America's best-loved songs. Free. Showtimes: 7 p.m. Information: www.springettsbury.com.
Karaoke is the main attraction Wednesday during Karaoke Stars at the Mason-Dixon Fair, 6988 Delta Road in Delta. The John S Murphy Post 7130 Auxilliary will make a $5 donation to the Mason-Dixon Community Services Food Locker for every singer from 7-10:30 p.m. Audience members are encouraged to bring a donation for the food bank also. Information: www.masondixonfair.com.