Theorbos were developed during the late sixteenth century in Italy, inspired by the demand for extended bass range instruments for use in the then-newly developed musical style of opera developed by the
Florentine Camerata and new musical works utilising
basso continuo, such as
Giulio Caccini's two collections,
Le nuove musiche (1602 and 1614). For his 1607 opera ''
L'Orfeo, Claudio Monteverdi lists duoi (two) chitaroni
among the instruments required for performing the work. Musicians originally used large bass lutes (c. + string length) and a higher re-entrant tuning, but soon created neck extensions with secondary pegboxes to accommodate extra open (i.e.
unfretted) longer bass strings, called diapasons
or bourdons'', for improvements in tonal clarity and an increased range of available notes. Although the words
chitarrone and
tiorba were both used to describe the instrument, they have different organological and etymological origins; chitarrone being in
Italian an augmentation of (and literally meaning large)
chitarra – Italian for guitar. The round-backed
chitarra was still in use, often referred to as
chitarra Italiana to distinguish it from
chitarra alla spagnola in its new flat-backed Spanish incarnation. The etymology of
tiorba is still obscure; it is hypothesized the origin may be in
Slavic or
Turkish torba, meaning 'bag' or 'turban'. According to
Athanasius Kircher,
tiorba was a nickname in the
Neapolitan language for a grinding board used by perfumers for grinding essences and herbs. It is possible the appearance of this new large instrument (particularly in a crowded ensemble) resulted in
jokes and a humour induced reference with popular local knowledge becoming lost over time and place. Robert Spencer has noted the confusion the two names were already leading to in 1600:
Chitarone, ò Tiorba che si dica (chitarrone, or theorbo as it is called). By the mid-17th century, it would appear that
tiorba had taken preference – reflected in modern practice, helping to distinguish the theorbo now from very different instruments like the
chitarrone moderno or
guitarrón. Similar adaptations to smaller
lutes (c. string length) also produced the
arciliuto (
archlute),
liuto attiorbato, and
tiorbino, which were differently tuned instruments to accommodate a new repertoire of small ensemble or solo works. In the performance of
basso continuo, theorbos were often paired with a small
pipe organ. The most prominent early composers and players in Italy were
Giovanni Girolamo Kapsperger and
Alessandro Piccinini.
Giuliano Paratico was another early Italian chitarrone player. Little solo music survives from England, but
William Lawes and others used theorbos in chamber ensembles and opera orchestras. In France, theorbos were appreciated and used in orchestral or chamber music until the second half of the 18th century (
Nicolas Hotman,
Robert de Visée). Court orchestras in Vienna, Bayreuth and Berlin still employed theorbo players after 1750 (
Ernst Gottlieb Baron,
Francesco Conti). Solo music for the theorbo is notated in
tablature, a form of
music notation in which the
frets and strings which a player must press down are printed on a series of parallel lines which represent the strings on the fretboard. ==Tuning and strings==