* The Library of Congress: The Library of Congress is another major source of music scores, including many for concert band and bagpipes. The library's website allows you to search for scores by title, composer, or other criteria.
* Music publishers: Many music publishers sell scores for concert band and bagpipes. Some of the most popular publishers include Alfred Music, Boosey & Hawkes, and Hal Leonard. You can find their websites by searching for them on the internet.
* Online retailers: Many online retailers sell scores for concert band and bagpipes. Some of the most popular retailers include Amazon, Sheet Music Plus, and JW Pepper. You can find their websites by searching for them on the internet.
In addition to these sources, you may also be able to find scores for concert band and bagpipes at your local library or music store.