If you see some human being playing with xylophone, it means that you will get to your target very easily. If the sound that come from xylophone is hard to listen to, you will need some help immediately, because this situation could become hard to handle.
Dream dictionary: Xylophone dream meanings
In the dream to see a xylophone indicates your ability to reach your aims and plans. You will be acknowledged person because of your hard work, you will be regarded with a great respect.