For soprano and orchestra. Introduction, Tema, 8 Variations and Coda. The soprano solo comes at the end. In verses of insurpassable simplicity and beauty of sound, the Sonnet No.143 by the Portuguese national poet Luís de Camões desribes the mysteries of nature. With an image of oneness with nature, Alexander Lokshin concluded a symphonic output that ranks as one of the great enigmas posed by the 20th century for the 21st.