Atendendo ao pedido da Mirian, concentro aqui alguns links (encontrados na internet) que contém gravações de Waldo de los Ríos.
2- Waldo de los Rios - Eighth Symphony (Schubert): http://www.4shared.com/audio/-01mKlU2/Waldo_de_los_Rios_-_Eighth_Sym.htm?aff=7637829
3- Waldo de los Rios - Mozart Symphony No 40: http://www.4shared.com/file/42378631/eb880410/Waldo_De_Los_Rios_-_Mozart_Sym.html
4- Waldo de los Rios - Brahms Third Symphony in F Major, 3rd Movement: http://www.4shared.com/audio/rBPwrdGZ/Waldo_de_los_Rios_-_Brahms_-_T.htm?aff=7637829