Instrumental Duet Flute,Guitar,Instrumental Duet - Digital Download SKU: A0.915859 Composed by Federico Bonacossa. 20th Century,Contemporary,World. Score and parts. 10 pages. Cyklos #5793631. Published by Cyklos (A0.915859). Frate vento, frate focu (Brother Wind, Brother Fire) for alto flute and guitarThe title is a reference to St. Francis of Assisi's Canticle of the Sun, an ode to nature. The guitar tuning is rather unusual (e f# c# g b e) and the sonorities naturally contained in it are where the musical material was found. The piece was premiered by Cassandra Eisenreich and Federico Bonacossa at the Three Rivers Arts Festival in Pittsburgh, PA.