What is referred to by 'bellowing highland instrument'?

Based on the clue 'bellini title gal whos high priestess of a druid t...', what is the answer? What is associated with: bellinis 1831 opera norma had its world premiere at this milan opera house? Based on the clue 'bellinis opera la sonnambula is so named because a...', what is the answer? Based on the clue 'bellissima bellini wrote for singers in this styl...', what is the answer? Based on the clue 'bellows favorite of his own novels henderson the r...', what is the answer? What is associated with: bells were rung across the us as telegraphers relayed news of this event on may 10 1869? Based on the clue 'belmopan takes its name from this central american...', what is the answer? What is associated with: beloit college in this state was founded in 1846 while that state was still a territory?