Gibson is known worldwide for producing classic models in every major style of fretted instrument, including acoustic and electric guitars, mandolins, and banjos. Gibson's HD.6X-PRO Digital Guitar represents the biggest advance in electric guitar design in over 70 years. Founded in 1894 in Kalamazoo, Michigan, and headquartered in Nashville since 1984, Gibson Guitar Corp.'s family of brands now includes Epiphone, Dobro, Kramer, Steingberger, Tobias, Slingerland, Valley Arts, Maestro, Baldwin, Chickering, Hamilton, and Wurlitzer.