Classical guitar making which gives these instruments (lutes, early romantic guitars) a type of "inner" vulnerability, lacking in the modern guitars. (In fact there are people who claim that a performer's interpretational style is psychologically related to the instrument's aesthetic; and that this can even be observed in contemporary recordings, e.g., Bach's lute works as performed on lute(with convincing expressive phrasing), versus the markedly different interpretations of these works on the modern classical guitar. Alternately, the Spanish repertoire such as Moreno Torroba, would be completely unfitting, for a lute or early-guitar sound aesthetic.) Even amongst parlor guitar players, there are some that consider
Classical guitar 3rd and 4th strings). To achieve tremolo effects and rapid, fluent scale passages, the player must practice alternation, that is, never plucking a string with the same finger twice in a row. Using p to indicate the thumb, i the index finger, m the middle finger and a the ring finger, common alternation patterns include: Music written specifically for the classical guitar dates from the addition of the sixth string (the baroque guitar normally had five pairs of strings) in the late 18th century. A guitar recital may include a variety of works, e.g. works written originally for the lute