Thomastik-Infeld Bass-/strum guitar strings Kontraguitar Bass Vienna Sound - Set (328)The traditional contraguitar is played in Vienna, Thomastik Infeld's home town, and is an essential part of the local strumming music. The bass strings consist of a nylon core wound with silver plated copper wire and bring out the soft character of the instrument. The set contains the basses, 7 string (Eb A1), for 13 string strummed guitar, 2 x 320 (Eb and D) 3 x 321 (C# and C and B1) 2 x 322 (B1 and A1) For combination with the regular Thomastik