The gentle, exultant, undulating sounds of different styles of chant have been part of Christian worship ever since. Most recently, Jacques Berthier of the ecumenical Taiz community in France has been developing a gorgeous modern style of chant which has enriched worship in Christian churches and communities throughout the world. When it's done slowly and softly, it can be a profound meditative experience. This is using the imagination to aid in a spiritual experience. All of the following methods use visualization as a key ingredient.
Possible visualizations are virtually inexhaustible.
Put yourself in a scene from the Gospels. Visualize yourself sharing another's suffering. Imagine yourself as a pebble, dropping into a lake, representing God. Imagine yourself with God. Guided meditations are often dynamic, as opposed to the previous meditation methods.