Ingeborg von Agassiz – “Lone Bird Waltz” PDDTV 4 years ago Duluth’s Ingeborg von Agassiz composed this “waltz for a little lone bird.” Recommended Links:Ingeborg von Agassiz – “Alive”Ingeborg von Agassiz – “The Alchemist”Ingeborg von Agassiz – “Focus”Ingeborg von Agassiz – “Elixir of Love”