Self works

Musicology in the “Third Reich” by Sharon Shaffer
"Singing is an active art" by Sharon Shaffer
"Yemenite-Jewish Music: A Marriage of African, Arab and Jewish Traditions" by Sharon Shaffer
"The use of vibrato in solo singing of the 17th through the 19th century: ornament or natural occurrence?" by Sharon Shaffer

Interesting articles

"After Coronavirus Stopped My Real-World Choir, I Found Joy and Solace in Singing With Strangers Globally" by Tom Vanderbilt
"What Actors Can Teach Us About Memory and Learning" by Annie Murphy Paul
"WHAT’S YOUR FACH?" by Sandra Cotton D.M.A
"The Science Behind Why Singing Could Spread Coronavirus" by Natasha Hinde