What are the various ways in which different keys in music can impact the overall mood and tone of a musical composition?

Different keys in music can impact the mood and tone of a composition by influencing the emotions and feelings evoked in the listener. Each key has its own unique characteristics and associations, such as brightness, darkness, warmth, or tension. The choice of key can affect the overall atmosphere of the music, shaping its emotional impact and conveying different moods to the audience.