SAN MARCOS — The city of San Marcos invites the public to “Holiday Harmony with the Music Men” at 3 p.m. Dec. 14. at the San Marcos Community Center, 3 Civic Center Drive. The Music Men are North County’s leading a cappella chorus under the direction of John Hulbert. The concert will also feature the San Pasqual High School Show Choir and The Gospel Truth Quartet. General seating is $10, and reserved seating is $15. Tickets can be purchased in advance by calling (760) 744-9000. Seating is limited.