The key characteristics of this era included the merger of major and minor scales, many dissonan tones, the development of the orchestra, and the regular structures, but monotony. They also included the use of violin, harpsichord, organ, and flute.
In this era, people also knew basso continuo technique, namely the bass accompaniment that brought harmony. There was repetition in the structure of music.
Composers who lived in this era were Johann Sebastian Bach, Georg Friedrich Handel, Antonio Vivaldi, Claudio Monteverdi, and Henry Purcell.
The second era was called the classical era. Sonatas and chamber music grew with more dynamic melodies. All of the classical era rules were applied intelligently by the composers.
The key characteristics of this era were the development of musical harmony, a very strong element of the dynamics that colored the composition, and a dynamic atmosphere that was expressed through the tempo, melody, and harmony. In this era, people also knew the pattern of 'question and answer'. Piano, with its ability to create dynamic, became a very important instrument.