Music will help guide a meditative person into a deeper state. That is why it is essential to have meditation music to add to your program.
There are dozens of websites where you can listen to free music for meditation and yoga. Here is a list of the best sources.
You can look up some of the great composers of the 20th century and compile a meditation playlist to your liking. There are thousands of pre-made playlists made not only by those more musically inclined but also by other uses of Spotify to help them ease their anxiety and depression.
It is also where you can find great videos that feature meditation music. Some go on for hours with deep, relaxing melodies that are good for sleep. Many are accompanied by visual graphics that help to soothe the viewer.