To dream of a treasure map marked a big X , indicates that your goals are in sight and you will soon be greatly rewarde

X-Ray

To dream that you are being x-rayed, denotes that you are being deceived by a person or situation.
It is time for you to look beneath the surface of this person or situation. 
On the other hand, you may have sought yourself through a problem or issue that has been troubling you

Xylophone

To dream of seeing a xylophone, foretells you will achieve your greatest ambitions with recognition and honor.