Listen to Appalachian Spring: Very Slowly (1999 - Remaster) online. Appalachian Spring: Very Slowly (1999 - Remaster) is an English language song and is sung by Saint Louis Symphony Orchestra and Leonard Slatkin. Appalachian Spring: Very Slowly (1999 - Remaster), from the album 50 Best American Classics, was released in the year 2012. The duration of the song is 3:32. Download English songs online from JioSaavn.