Tempo, Dynamics, and Mood

After listening to "Sound of Silence" as sung by Simon and Garfunkel and describe the tempo, dynamics, and mood of this legendary song. The following questions will guide you: Do you think the tempo is andante or allegro? Why? Are the dynamics mezzo forte or piano? Why? And how would you describe the mood of this song? A brief essay will do, but please feel free to offer additional remarks about this song from the 1960's.