Throughout the late Romantic period, composers explored extraordinary chromatic alterations of tonality, for example extended chords and altered chords, which developed new audio "colors". The late 19th century observed a remarkable growth in the size of the orchestra, and the economic revolution helped to produce much better instruments, creating a https://canvas.ucsd.edu/eportfolios/2000/Home/Tubidy__Legal_Access_to_Music_and_Videos