Name The Year: Iraqi troops seized Iranian territory in a border dispute.?

Questions

Classical Music : This composer was a pupil of Beethoven & a teacher of Liszt?

Classical: Bach's Two & Three part inventions are a primer for this opus?

Classical: Berlioz was a proficient player of only this instrument?

80's Tune: Performed by: Ray Parker, Jr?

80's Tune: Performed by: R.E.M?