Authentication is the process of validating the identity of an entity, e.g., a person, a machine, etc.; the entity usually provides a proof of identity in order to be authenticated. When the entity -- to be authenticated -- is a human, the authentication process is called end-us…
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Improvisation is an art form which has arguably been present since the existence of music itself. Inventing music on the spot, like spontaneous speech, is a common expression of artistry throughout history and across musical boundaries. While improvisation has maintained its imp…