Italian record producer, composer, arranger, currently retired from the music industry and now resides in the Philippines. He has produced hits for Amanda Lear, Anne Murray, Bonnie Bianco, Bad English, Nikka Costa, Engelbert Humperdinck, Brigitte Nielsen, Marta Sánchez, Thomas Anders, Vanna Vanna, Laura Branigan & David Hasselhoff, Cheap Trick, The Three Degrees and others. In 1983 De Walden got an Oscar nomination for Over You, theme song of the movie Tender Mercies.