Yes, music can definitely affect you. If you're feeling sad and depressed and you listen to sad and depressing music you'll probably make yourself feel worse. Same with when you're angry...if you listen to "angry" music when you're already mad, you'll make yourself more angry. Now, you experience the real power of music when you learn to off-set it and use music as a tool to make you feel better, depending on your mood. There's many ways music can affect your life.