The theorbo is a plucked instrument developed for the purpose of playing along opera music. The for the shocking lengt of the instrument, and the second peg-box, is simply the need for open-fretted bass-strings (called diapasons or bourdons). The most prominent composers of theorbo-music were Kapsberger and Piccinini.
The norwegian lutenist Rolf Lislevand playing an original Stradivarius-guitar. The Sabionari baroque-guitar was built by A. Stradivarius in In this demonstration Lislevand plays his arrangement of Santiago de Murcia's Tarantella.