Encyclopedia

vocal or instrumental sounds (or both) combined in such a way as to produce beauty of form, harmony, and expression of emotion.

Billboard Hot 100

The Billboard Hot 100 is the music industry standard record chart in the United States for songs, published weekly by Billboard magazine. Chart rankings are based on sales (physical and digital), radio play, and online streaming in the United States. The weekly tracking period for sales was initially Monday to Sunday when Nielsen started tracking sales in 1991, but was changed to Friday to Thursday in July 2015. This tracking… read more »

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