Guido Sodo has collaborated as singer and instrumentalist with the Ensemble Acantus with whom he also participated in various traditional folk music festivals and concerts, among these the Sagra Musicale Umbra, Il canto delle Pietre and Musica e Poesia a San Maurizio in Italy; the Regensburg Festival in Germany, the Royamount in France, the Feldkirken in Austria, the Sete sois sete luas in Portugal and others, recording for the Symphonic Season of the European Radio and for the BBC.
Guido Sodo participated with Acantus in the CD Acantus (1999, Gimell) and La vida de Colin.
Among his collaborations in the sphere of medieval music, of noteworthy mention are the Tantris, Theatrum Instrumentorum and SalÚn de Musiques ensembles. With the SalÚn de Musiques, he played in a concert that was recorded by the National Croatian Radio in 2006 in Rovinj.
In 2007 he was invited to present his project on Neapolitan music, which dates from the origins to the 18th century in a vocal and instrumental quartet, at the Cusiano di Lago díOrta Festival and the Due Castelli Festival in Croatia, a concert that was likewise recorded by the National Croatian Radio.