Music is often referred to as a TEMPORAL art because of the obvious necessity of experiencing in in time. We will hear the remark that a piece of visual art can be experienced in its entirety, "known" wholly at once, while a piece of music's grand design can only be perceived over a stretch of time.

There is truth to this notion, but as with many fine distinctions, the "truth" is clouded and simplified.

At least since Einstein nearly a century ago, we now have clearer understanding of the inseparability of space and time. It's furthermore interesting to note that physicists have no clear means of describing time itself apart from association with various forms of motion, which must exist spatially.

We may consider our experience of music to take place at least within the framework of 4 dimensions. The basis for music as a sonic event makes it grounded in vibration. Many, though not all, approaches to music notation are graphical.

At the very least, if we focus on the experience and cognition of music, some ticklings of thought about the nature of space and time, spacetime, may be generated. The history of music is replete with musings (note the common root), philisophical, metaphysical, and spiritual, as well as those relating to the "simply" sensory.

Music is a spatio-temporal phenomenon.