Basic counterpoint is used in just about any style of music. It may be as simple as the bass line answering the melody or a second and harmonizing instrumental part. The fugue however, is a full scale utilization of strict and concise counterpoint...
The origin of the oratorio is Italian, based on the Latin oratorium oratory. Another of the large scale musical forms, the oratorio stems from the music composed during the 16th century for the Church of the Oratory of St. Philip Neri...
