Costumed entertainers include Renaissance musicians, bagpipers, illusionists, jugglers, sword-swallowers, fortune-tellers, and comedy acts. This is a list of bagpipers, organized by type of bagpipes. Canadian bagpipers were put into American unit marching bands to play "Reveille" every morning. From the battlements, Torquil sees Joan, accompanied by three bagpipers, marching resolutely toward him. Unique among British cavalry regiments was that the Scots Greys fielded bagpipers. Amongst bagpipers, the tune Dornie Ferry is well known strathspey. The NYPD Emerald Society bagpipers and ASPCA HLE Agents were there also. From 1956 until 1981 the bagpipers wore the Royal Stewart tartan. The Scottish Piping Society of London is a society of bagpipers, formed in 1932. All bagpipers carry the pipe banners of their units with their instruments. Bagpipers and local poets also joined in. They are led through campus by bagpipers and followed by the faculty. They had eight children, two of whom become successful bagpipers, Jack and Hugh. It is also a popular melody for bagpipers. The bagpipers are responsible for providing all of the melodic material in the music.