Skirl

skirl \ˈskər(-ə)l\ intransitive verb: 1. (of a bagpipe) to emit the high shrill tone of the chanter, 2. to give forth music
transitive verb: to play music on the bagpipe
noun: a high shrill sound produced by the chanter of a bagpipe

Etymology: Middle English (Scots) skrillen, skirlen to scream, shriek, of Scandinavian origin

I bet there was a lot of skirling going on for Robert Burns Day on January 25th.