Music 
To dream of melodious and comforting music indicates wealth, delight, and the expression of your emotions in an affirmative light. Music mends a hurting soul.
To hear discordant music in your dream symbolizes dissatisfaction and worries in your family life.
Sheet Music
To dream of sheet music expresses your need for peace and balance in your life, particularly in regards to a close friendship or association.
CD
To dream about a CD signifies that you have a deep-seated need for more entertainment or possibly even a diversion. It represents possibility. Make note of the style of music that is playing within your dream. It you are handing out the CD for free, you could be attempting to spread a message to the person you're giving the CD within the music.
If the initials 'CD' are evident, this could represent something of meaning to you. It could indicate an individual or a play on the word 'seedy,' as in someone or something that is 'seedy.'
Band
To dream about a music band symbolizes feelings of acceptance and togetherness. It could also involve a pun about 'banding together.'
Jazz
A dream about jazz music represents a yearning for "the good ole days," especially if you're not a jazz music lover.
Alternatively, jazz music within a dream symbolizes a wish for more spontaneity, creativity and improvement in your life.
Banjo
To dream about playing the banjo represents how much you will enjoy being with people you care about.
To dream that someone else is playing the banjo indicates a coming adventure in which you will find fresh and exciting romance.
Notes
Taking notes in a dream indicates that the dream is telling you something you want to remember. Pay attention to the words of the note because they are a message from your subconscious.
Bugle
Dreaming of a bugle symbolizes the start of something hence it may symbolize a new job, a much needed new day, or even a new season. A bugle dream is generally a strong, clear symbol of something positive which is about to begin.
Violin
To dream of a violin sound indicates the serenity and calmness your family and you share.
To play the violin in your dreams represents the importance you place on truthfulness and honor. This may foreshadow elaborate rewards in your future.
To dream of a broken violin indicates that you will soon suffer a loss. You may lose a loved one or be separated from friends and family.
Karaoke
To dream of karaoke is a demonstration of your overconfidence. You may be touting accomplishments or abilities more than you realize. Another meaning for karaoke in a dream is that you are not utilizing abilities or talents.
Bagpipe
To dream about pleasant music being played by a bagpipe means good tidings and satisfaction.
If the music isn't pleasant, it means that bad times are on the horizon.
Walkman
To dream of listening to a walkman indicates a need for some space to get to know yourself better. You may have to delve into your own past and release some nagging thoughts or memories, but getting to know yourself will be worth it.
To dream of sharing your walkman with another person is a good sign of deepening intimacy as a result of revealing more of your past.