‘Tis the season for another Swelltune Records Holiday Shindig at The Porch. Performing this year will be Kyle Eldridge, Jon Safford, Shaun Young and Sean Mencher. Doors open at 8 p.m., with the live music starting at 9. Tickets are $20 through Eventbrite. Swelltune Records is a New England-based record label, owned by Beck Rustic, that specializes in midcentury-influenced rock ‘n’ roll and roots music.