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Pedersen, John. "Maintenance Videos." Horn Smasher.com. Pedersen's Band and Orchestra, 2011. Web. 20 July 2015. <http://www.hornsmasher.com/maintenance-videos/>.
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Robertson, Gail. "An Introduction to the Euphonium." (2015): 3-16. American Band College 2015, 20 June 2015. Web. 20 July 2015. <http://www.bandworld.org/pdfs/RobertsonABChandout2.pdf>.
Robertson, Gail. "Suggested Solos." “The Euphonium and Why We NEED Them in the Wind Band” (2015): 8-10. American Band College 2015, 29 June 2015. Web. 20 July 2015. <http://www.bandworld.org/pdfs/RobertsonABChandout1.pdf>.
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Schmidt, Paul. "What Is a Serpent?" Serpent Website. Paul Schmidt, 2013. Web. 20 July 2015. <http://www.serpentwebsite.com/>.
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Sumwalt, Don. "Brass Mouthpiece Buyer's Guide." Brass Mouthpiece Buyer's Guide. Woodwind and Brasswind, n.d. Web. 20 July 2015. <http://www.wwbw.com/Buyer-Guides---Brass-Mouthpieces-g25075t0.wwbw#2>.
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"Window Sticker Image." Zeckhausen Racing. N.p., 2004. Web. 20 July 2015. <http://www.zeckhausen.com/Chevrolet/Impala_SS_For_Sale.htm>.
"XO Euphonium Image." XO Professional Brass. N.p., 2015. Web. 20 July 2015. <http://www.xobrass.com/low-brass/euphoniums/>.
"Accent on Achievement Image." Cascio Interstate Music. Cascio Music Incorporated, 2015. Web. 20 July 2015. <http://www.interstatemusic.com/41790-Accent-on-Achievement-Baritone-B-C-Book-1-17093.aspx>.
"Amsden's Celebrated Practice Duets Image." Just For Brass. N.p., n.d. Web. 20 July 2015. <http://www.justforbrass.com/amsdens-celebrated-practice-duets-for-bass-clef-instruments-131034.cfm>.
"Baritone Image." JP Musical Instruments. N.p., 2015. Web. 20 July 2015. <http://www.jpmusicalinstruments.com/JP173-MKII-Bb-Baritone-Horn.html>.
"Bass Ophicleide Image." Museum of Fine Arts, Boston. Museum of Fine Arts, Boston, 2015. Web. 20 July 2015. <http://www.mfa.org/collections/object/bass-ophicleide-50499>.
"Besson 5 Valve Euphonium Image." Trevor Jones Brass and Woodwind LTD. N.p., n.d. Web. 20 July 2015. <http://www.trevorjonesltd.co.uk/Vintage_Brass_Musical_Instruments_9.htm>.
"Big Bang Theory of Evolution Image." Wirdou. N.p., 7 July 2012. Web. 20 July 2015. <http://wirdou.com/tag/big-bang-theory/>.
Bobuk, Kristen. "Evaluation of Alternate Mouthpiece Material Types to Minimize Vibrations and Heat Loss - The Research and Execution of Prototypes." Marshall Digital Scholar. Marshall University, 6 Dec. 2013. Web. 20 July 2015. <http%3A%2F%2Fmds.marshall.edu%2Fcgi%2Fviewcontent.cgi%3Farticle%3D1801%26context%3Detd>.
Bokica. "Construction Workers Silhouettes Image." 123RF Stock Photos. 123RF Limited, 2015. Web. 20 July 2015. <http://www.123rf.com/photo_11640162_construction-workers-silhouettes--vector.html>.
Bowman, Brian. “The Elusive Enigmatic Euphonium (Tips for the Band Director)” The American Band College Summer 2015 Notebook: Session A And B. 2015. BB-1-BB2, BB9-BB10. Print.
Childs, David. "About David Childs." DavidChilds.com. David Childs, 2012. Web. 20 July 2015. <http://www.davechilds.com/about-david-childs/david-childs>.
Childs, David. "The History & Development of the Euphonium." David Childs.com. David Childs, 3 May 2005. Web. 20 July 2015. <http://www.davechilds.com/reviews-and-articles/article=the-history>.
Childs, Robert. "About Robert Childs." RobertChilds.co.uk. GK Graphic Design and Robert Childs, 2007. Web. 20 July 2015. <http://www.robertchilds.co.uk/?p=about>.
"Double Bell Euphonium Image." Horncollector.com. N.p., n.d. Web. 20 July 2015. <http://horncollector.com/double_bell_euphoniums.html>.
"Essential Elements 2000 Image." Cascio Interstate Music. Cascio Music Incorporated, 2015. Web. 20 July 2015. <http://www.interstatemusic.com/39293-Essential-Elements-2000-Baritone-B-C-Book-1-Plus-DVD-862578.aspx>.
"Euphonium Case Image." Parts Express. N.p., 2015. Web. 20 July 2015. <http://www.parts-express.com/skb-1skb-375-euphonium-case--262-7399>.
"Euphonium Girl Image." Philip Broome - Euphonium. N.p., 2014. Web. 20 July 2015. <http://www.philipbroome.com/learn.html>.
"Euphonium Image." MLP Forums. N.p., 16 Apr. 2014. Web. 20 July 2015. <https://mlpforums.com/topic/107854-drawing-hat-free-art/>.
"Euphonium Performance Image." Illinois Wesleyan: Ed Risinger. N.p., n.d. Web. 20 July 2015. <https://www.iwu.edu/music/faculty/risinger.html>.
"Foundations for Superior Performance: Euphonium Image." Amazon.com. N.p., n.d. Web. 20 July 2015. <http://www.amazon.com/Foundations-Superior-Performance-Euphonium-B-C/dp/0849770149>.
Frey, Adam. "Adam Frey Biography." Euphonium.com - Adam Frey. Euphonium.com Publications, n.d. Web. 20 July 2015. <https://www.euphonium.com/bio.html>.
"Front Bell Euphonium Image." Army Field Band. N.p., 1994. Web. 20 July 2015. <http://www.armyfieldband.com/pages/listening/albums/mal/preKlesson_paloPaRumba.html>.
Genuine Bach Mouthpieces. Elkhart, IN: Vincent Bach, 1956. Web. <http://www.bachbrass.com/pdf/AV6001%20Bach%20Mpce%20Manual.pdf>.
Green, Grand D. "The Ophicleide!" The Contrabass Compendium. Grant D. Green, 19 Apr. 2000. Web. 20 July 2015. <http://www.contrabass.com/pages/ophicleide.html>.
"Marching Baritone Image." The CrownSTORE. N.p., 2015. Web. 20 July 2015. <http://www.thecrownstore.com/ybh-301m-yamaha-marching-baritone-horn/>.
Mead, Steven. "Steven Mead Biography." Besson. Besson, n.d. Web. 20 July 2015. <http://www.besson.com/en/artistes/ambassadeur/steven-mead>.
"Mouthpiece Image." Cascio Interstate Music. Cascio Music Incorporated, 2015. Web. 20 July 2015. <http://www.interstatemusic.com/60139-Bach-Gold-Rim-Small-Shank-Trombone-Mouthpiece-5G-3505GGR.aspx>.
Pedersen, John. "Maintenance Videos." Horn Smasher.com. Pedersen's Band and Orchestra, 2011. Web. 20 July 2015. <http://www.hornsmasher.com/maintenance-videos/>.
Perkins, Allan Mathieu. "The Wagner Tuba and the Euphonium." The Wagner Tuba. A M Perkins Music, 28 Jan. 2012. Web. 20 July 2015. <http://amperkinsmusic.com/2012/01/28/the-wagner-tuba-and-the-euphonium-2/>.
Robertson, Gail. "An Introduction to the Euphonium." (2015): 3-16. American Band College 2015, 20 June 2015. Web. 20 July 2015. <http://www.bandworld.org/pdfs/RobertsonABChandout2.pdf>.
Robertson, Gail. "Suggested Solos." “The Euphonium and Why We NEED Them in the Wind Band” (2015): 8-10. American Band College 2015, 29 June 2015. Web. 20 July 2015. <http://www.bandworld.org/pdfs/RobertsonABChandout1.pdf>.
"Rubank Elementary Method Image." Cascio Interstate Music. Cascio Music Incorporated, 2015. Web. 23 July 2015. <http://www.interstatemusic.com/39579-Rubank-Elementary-Method-Trombone-Baritone-Long-4470020.aspx>.
"Rubank Selected Duets Image." Amazon.com. N.p., n.d. Web. 20 July 2015. <http://www.amazon.com/Selected-Duets-Trombone-Baritone-Educational/dp/1423445392>.
"Rubank Selected Studies Image." Amazon.com. N.p., n.d. Web. 23 July 2015. <http://www.amazon.com/Leonard-Rubank-Selected-Studies-Baritone/dp/B00396B18W>.
Schmidt, Paul. "What Is a Serpent?" Serpent Website. Paul Schmidt, 2013. Web. 20 July 2015. <http://www.serpentwebsite.com/>.
"Serpent Image." Berlioz Historical Brass : Serpent. Berlioz Historical Brass, 2015. Web. 20 July 2015. <http://www.berliozhistoricalbrass.org/serpent-military.htm>.
"Silver-Gold Euphonium Image." Schiller Instruments. Schiller Instruments, 2015. Web. 20 July 2015. <http://www.schillerinstruments.com/euphoniums-baritones/custom-shop-elite-iv-compensating-euphonium-silver-gold>.
Sumwalt, Don. "Brass Mouthpiece Buyer's Guide." Brass Mouthpiece Buyer's Guide. Woodwind and Brasswind, n.d. Web. 20 July 2015. <http://www.wwbw.com/Buyer-Guides---Brass-Mouthpieces-g25075t0.wwbw#2>.
Thurman, Demondrae. "Demondrae Thurman Biography." Demondrae Thurman. Demondrae Thurman, 2009. Web. 20 July 2015. <http://demondrae.com/>.
"Trumpet Image." Cascio Interstate Music. Cascio Music Incorporated, 2015. Web. 20 July 2015. <http://www.interstatemusic.com/1734-Prelude-TR711-Bb-Lacquered-Student-Trumpet-TR711.aspx>.
Werden, David. "David Werden Biography." Tuba-Euph.com. David Werden Publications, 28 Dec. 2014. Web. 20 July 2015. <http://www.dwerden.com/bio-dw.cfm>.
"Window Sticker Image." Zeckhausen Racing. N.p., 2004. Web. 20 July 2015. <http://www.zeckhausen.com/Chevrolet/Impala_SS_For_Sale.htm>.
"XO Euphonium Image." XO Professional Brass. N.p., 2015. Web. 20 July 2015. <http://www.xobrass.com/low-brass/euphoniums/>.