Musical instrument them to make zithers. The Yakuts believe that making drums from trees struck by lightning gives them a special connection to nature. Musical instrument construction is a specialized trade that requires years of training, practice, and sometimes an apprenticeship. Most makers of musical instruments specialize in one genre of instruments; for example, a luthier makes only stringed instruments. Some make only one type of instrument such as a piano. Whatever the instrument constructed, the instrument maker must consider materials, construction technique, and decoration, creating a balanced instrument that is both functional and aesthetically pleasing. Some builders are focused on a
Musical instrument popular music, and the instrument makers responded accordingly. Beginning in about 1400, the rate of development of musical instruments increased in earnest as compositions demanded more dynamic sounds. People also began writing books about creating, playing, and cataloging musical instruments; the first such book was Sebastian Virdung's 1511 treatise "Musica getuscht und ausgezogen" ('Music Germanized and Abstracted'). Virdung's work is noted as being particularly thorough for including descriptions of "irregular" instruments such as hunters' horns and cow bells, though Virdung is critical of the same. Other books followed, including Arnolt Schlick's "Spiegel der Orgelmacher und Organisten" ('Mirror of Organ Makers