Back in Rome after the war, his wife left him (eventually inspiring Elegia per Ty), and he underwent a profound psychological crisis that eventually led him to the discovery of Eastern spirituality, and also to a radical transformation of his view of music.
From the late 1970s, he met several leading interpreters who have promoted his music all over the world and gradually opened the gates to wider audiences, such as the Arditti String Quartet, the cellist Frances-Marie Uitti, and the pianists Yvar Mikhashoff and Marianne Schroeder.