Complex sentence: In 1919 Willie was made Instructor at the Army School of Bagpipe Music and Highland Drumming at Edinburgh Castle, where he taught hundreds of pupils, including almost all the top players produced by the army.
Split into simpler sentences: In 1919 Willie was made Instructor at the Army School of Bagpipe Music and Highland Drumming at Edinburgh Castle. He taught hundreds of pupils, including almost all the top players produced by the army.