"The Portuguese guitar is a kind of weird instrument. It has a teardrop shaped body, twelve strings, an odd tuning scheme, and is generally associated with the mournful Portuguese musical style called fado. It's not often used as an improv instrument, especially in avant-garde settings, but that was before Victor Herrero got his hands on one. Probably best known for his work with Josephine Foster, Victor is a Spanish guitarist and composer, whose work ranges from very traditional to beyond conte…