D. Brian Lee is a teacher, writer, and singer. His book, Sane Singing: A Guide to Vocal Progress (2018), has been enthusiastically reviewed as a philosophy of voice study, with practical advice on finding and evaluating voice training. He maintains independent voice studios in Potomac, Maryland, and New York City. His students can be heard on Broadway, and in opera, theatre, and national television. As a tenor, he performs in solo and chamber concerts, in which he is an advocate for new works and Latin American art song. Research interests include lesser-known voice pedagogy texts as well as new translations and interpretations of well-known material. He is a featured presenter on voice pedagogy topics. He has blogged about singing and related topics at vocalability.com since 2009.
Justin Petersen is a singer, voice teacher, blogger, pedagogue, and college audition coach. He lives in Boston, MA, and teaches students from all walks of life and musical backgrounds. His students have gone on to perform in opera, oratorio, on Broadway, as well as recording artists and live bands specializing in folk, jazz, and rock. His performance credits include roles with the Santa Fe Opera, The Lyric Opera of Kansas City, the Sarasota Opera, Opera North (US), American Opera Projects, and appeared at the New York New Musical Theater Festival. He has blogged on historical voice training at www.petersenvoicestudio.com, where his interests include historical pedagogical texts and their application for modern audiences.