Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Structure in rhythm. Colouring of events (black and white) indicates the perceived salience when a beat (dotted line) is present or when a hierarchical metrical structure (dotted tree structure) creates more and less salient beats (grey shades: darker indicates more salient, with black being the most salient beats, and white subdivisions of the beat).
