After 1945, musical forms became more individualistic, following unique laws, evolving during composition, and often deviating from traditional structures, featuring little or no repetition for increased experimentation. Option a, b and d is the correct statement.
The statements that describe some of the changes seen in musical form written after 1945 are:
a. It follows its own laws.
b. It is created as the piece itself is being composed.
d. It unfolds with little or no repetition.
Step-by-step explanation:
a. Post-1945 musical forms often deviate from traditional structures and follow unique, individualized rules and principles set by the composer.
b. Composers in the post-1945 era frequently engage in the compositional process dynamically, creating and shaping the form as they compose the piece.
c. Contrary to option c, post-1945 music tends to explore non-traditional forms and structures, deviating from the more conventional rondo and sonata forms.
d. Many compositions after 1945 embrace a more fluid and flexible approach to form, featuring minimal or no repetition, allowing for greater experimentation and unpredictability in the musical structure.
Option a, b and d is the correct statement.