Answer :
Keyboard players in the Baroque era often improvised in their performances is true. Many of these pieces were self-composed forms of exercise in improvisational and contrapuntal techniques.
Keyboard instruments such as the organ and harpsichord were the exclusive domain of professional musicians for much of the Baroque period. Professional keyboard players were typically employed as church organists, but some were also hired as harpsichordists at court. Printed music for the keyboard was prohibitively expensive during the Baroque period. As a result, the majority of keyboard players maintained a personal collection of handwritten musical manuscripts. Many of these pieces were self-composed forms of exercise in improvisational and contrapuntal techniques.
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