Two mainstays of Columbia’s music community are now located under one roof. Caroline Guitar Company, a boutique guitar pedal maker, and Archer Avenue Studio now share space at 3504 River Dr., inside the newly branded River Drive Creative building. Archer Avenue Studio is up and running in the new space, now featuring two professionally built recording rooms: Studio A, led by founder Kenny McWilliams, and Studio Z, operated by musician and producer Todd Mathis. Both rooms were designed by acclaimed studio architect Wes Lachot, known nationally for his high-performance acoustic environments…