Obstruent Obstruent An obstruent is a speech sound such as , , or that is formed by "obstructing" airflow. Obstruents contrast with sonorants, which have no such obstruction and so resonate. All obstruents are consonants, but sonorants include both vowels and consonants. Obstruents are subdivided into plosives (oral stops), such as , with complete occlusion of the vocal tract, often followed by a release burst; fricatives, such as , with limited closure, not stopping airflow but making it turbulent; and affricates, which begin with complete occlusion but then release into a fricative-like release, such as . Obstruents are prototypically voiceless, but
Grammy Award for Best Country Performance by a Duo or Group with Vocal and The Judds have been honored with 5 trophies in this category. Other multiple winners include Alison Krauss and Union Station, and Emmylou Harris who have won 3 apiece, and Asleep at the Wheel, Brooks and Dunn, Alabama, Rita Coolidge & Kris Kristofferson and Lady Antebellum all of whom have won 2. Grammy Award for Best Country Performance by a Duo or Group with Vocal The Grammy Award for Best Country Performance by a Duo or Group with Vocal was awarded from 1970 to 2011. The award has had several minor name changes: The award was discontinued after the 2011