Answer
Luciano Berio, an influential Italian composer and conductor, served as a mentor to the Dutch composer Louis Andriessen. Berio's innovative approach to music, characterized by experimental techniques and a synthesis of diverse musical styles, left a profound impact on Andriessen's musical development. Andriessen's association with Berio during his studies enriched his musical perspective, shaping his own compositional style and contributing to his prominence in contemporary classical music.