The guitar, though in general, used merely to accompany simple ballads, (to which purpose it is, doubtless, eminently adapted), is yet, on account of its compass and completeness, fully qualified to be used as a solo instrument. It does not possess the capacity of sustaining notes like the violin, nor can it, in point of power and fullness, compete with the harp; but it combines qualities of both which, together with its extreme delicacy of tone, makes it highly efficient instrument in the hands of a skillful performer.
FEDER, Otto. Complete Method for the Guitar: With a Variety of Popular Songs and Melodies. Boston: Oliver Ditson & Co., 1858.
