Cites
connselmerinc. “Trumpet Set-Up by Conn-Selmer, Inc.” YouTube, YouTube, 17 Sept. 2013, www.youtube.com/watch?v=YxIOZiVUTBs.
https://prezi.com/mx6btz1vob5x/the-trumpets-timeline/
http://trumpetss.weebly.com/who-made-the-trumpet.html
https://prezi.com/mx6btz1vob5x/the-trumpets-timeline/
http://trumpetss.weebly.com/who-made-the-trumpet.html