Music

Baroque Composers： Johann Sebastian Bach and Antonio Vivaldi

Classical Composers: Wolfgang Amadeus Mozart and Ludwig van Beethoven.

Invention in C Major, BWV 772   :  Johann Sebastian Bach ; solo keyboard work ; polyphonic texture with imitative 

                                                                                                                                   counterpoint

Polyphonic Texture / Contrapuntal Texture : The Combination of two or more independent                                                         

                                                                                                                         melodic lines 

Invention  : A keyboard composition in polyphonic texture ; based on imitation 

Motive      : A short melodic fragment used to build a melody 

Imitation   : Repetition of the same motive in another part / voice 

Sequence  : A motive that is repeated at a higher or lower pitch in the same voice 

Classical Era  :  1750-1825

Eine Kleine Nachtmusik, K 525, first movement   : Wolfgang Amadeus Mozart ; Chamber music ;G major ; Allegro; Sonata 

Homophonic texture : a single line of melody supported by a harmonic accompaniment 

Sonata form: three sections - exposition, development, and recapitulation

I - V   : half cadence 

IV - V : half cadence 

V - I  : authentic cadence