Ally the Piper is the internet's most famous bagpiper.Her niche? Blending the unconventional woodwind instrument with diverse styles of music like a Metallic. 518K Followers, 717 Following, 2,158 Posts - See Instagram photos and videos from Ally Crowley-Duncan (@piper.ally). 190K likes, 2,488 comments - Ally Crowley-Duncan (@piper.ally) on Instagram: "When Metallica defends you in the comments of your own video 🤘🏼 #bagpipes #bagpiper #metal ".