A drum major is in charge of conducting a marching band. They will move their arms in a certain pattern they can control how fast or how slow the band goes. With out the drum major the marching band cannot perform efficiently. The link below has some basic information about drum majors and some of the different conducting skills they have to have.
http://www.sythe.org/archives/423543-art-conducting-drum-major.html
English 106 - Purdue All American Marching Band 
The post tells what a drum major does well. There could be some examples of the motions that the drum major does to change the pace of the band. The picture grabs the reader’s attention.
Another thing that could help the post is to make the title more attention grabbing instead of just “Drum Major.”