 Important composers of this era include Johann Sebastian Bach, Antonio Vivaldi, George Frideric Handel, Henry Purcell, Claudio Monteverdi, Barbara Strozzi, Domenico Scarlatti, Georg Philipp Telemann, Arcangelo Corelli, Alessandro Scarlatti, Jean-Philippe Rameau, Jean-Baptiste Lully, and Heinrich Schütz.Though the term "classical music" includes all Western art music from the Medieval era to the 2000s, the Classical Era was the period of Western art music from the 1750s to the early 1820s—the era of Wolfgang Amadeus Mozart, Joseph Haydn, and Ludwig van Beethoven.The Classical era established many of the norms of composition, presentation, and style, and was also when the piano became the predominant keyboard instrument.