What are the 7 modes in music and how are they used in composition and performance?

The 7 modes in music are Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, and Locrian. Each mode has a unique set of intervals that create a distinct sound and mood. Composers and performers use these modes to create different tonalities, harmonies, and melodies in their music. By selecting specific modes, they can evoke specific emotions or create a particular atmosphere in their compositions.