Listen to When I Grow Too Old to Dream online. When I Grow Too Old to Dream is an English language song and is sung by Jeanette MacDonald and Nelson Eddy. When I Grow Too Old to Dream, from the album The Definitive Collection of Jeanette Macdonald & Nelson Eddy, was released in the year 2009. The duration of the song is 3:28. Download English songs online from JioSaavn.