A Women’s Quartet from the Potomac Harmony Chorus will go to your special someone’s home, place of work, or a restaurant to deliver two songs in a cappella four-part harmony Barbershop style and present your sweetheart with a box of candy and a card from you. $50 for an in-person s…inging valentine and $20 for a telephone greeting. Deadline to order is February 9, 2011.