For the past few years, Chicagoan Guido Gamboa has been one of the city’s best purveyors of experimental music, though too few people have noticed. He launched his record label, Pentiments, in December 2015 with the release of his debut solo album, Saturday’s Notes, a collage of field recordings and electronics expertly arranged to render familiar sounds (car horns, camera shutters) enigmatic and beguiling.…Read More