The Latin decubitus (meaning lying down) is related to cubitum (the elbow) reflecting the fact the Romans habitually rested on their elbows when they reclined. Adult Skin Problems Slideshow Quiz: Is Ringworm Contagious?
In music theory, an interval is the difference between two pitches. An interval may be described as horizontal, linear, or melodic if it refers to successively sounding tones, such as two adjacent pitches in a melody, and vertical or harmonic if it pertains to simultaneously sounding tones, such as in a chord.
Definition [edit]. Atonal music is a generalizing term used to define music that seems to lack a clear tonal center. Nearly all music in the western classical tradition is considered 'tonal': that is, its harmonic structure is primarily triadic and hierarchically organized around a prominent tonal center.