Teachers may resist the notion of teaching as a performance but his or her voice, gestures, and movement in the classroom can help or harm student attentiveness. Strong skills in voice and movement can help illuminate a teacher's questions and ideas for students, drawing attention to what matters, holding their attention through a long class, and making a deep impressions on their minds. As such, it is important for a teacher to be mindful of their vocal delivery during lectures. In this article, the author provides two guidelines for effective vocal delivery. These include: (1) Placing the emphasis in your voice on the nouns, verbs, and key concepts of a sentence; and (2) Building the sentence to an emphatic conclusion, rather than letting it trail away.