What name is given to musical lines that sound different and move independently from each other, but sound harmonious when played simultaneously?
The ans is - Counterpoint
What is the name given to copper bars arranged in a cylinder, insulated from each other which rotates to connect each section of the armature in turn (in a motor) or to the external current (in a dynamo)?
What is the name of a musical form and genre created within the African-American communities in the deep south of the USA at the end of the 19th century?