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"Introduction to Choral Posture and Breathing." YouTube. N.p., n.d. Web. 26 Mar. 2015.
"Handout: Woodwind Voicing." Bret Pimental, Woodwinds. N.p., n.d. Web.
Overman, Robert W. "Introduction to Breath Support for Singers."Starmount Presbyterian Church. N.p., n.d. Web. 26 Mar. 2015.
"Support Your Voice I – Breathing." VoiceCouncil Magazine RSS. N.p., n.d. Web. 25 Mar. 2015.
"Vocal Folds." ScienceDaily. ScienceDaily, n.d. Web. 26 Mar. 2015.
"Common Problems That Can Affect Your Voice." American Academy of Otolaryngology — Head and Neck Surgery. N.p., n.d. Web. 25 Mar. 2015.
"Choral Handbook / Posture and Health." Choral Handbook / Posture and Health. N.p., n.d. Web. 24 Mar. 2015.
"Introduction to Choral Posture and Breathing." YouTube. N.p., n.d. Web. 26 Mar. 2015.