Nashville GSA-60-NT Auditorium Gitarauditorium guitar, with diecast machine heads, natural Nashville GSA 60: more than just a beginner's guitar! For beginners who are looking for an acoustic guitar, there's roughly 2 options: The classical guitar and the western guitar. The classical guitar has nylon strings which produces a round, warm sound and it has a wider neck than the western guitar. The western guitar has steel strings, usually a larger body, a louder sound and is usually used