How to Roll Your R's: The Definitive Guide IWTL exactly what the tongue is supposed to be doing during a rolled R (spanish trill) : r IWantToLearn Let's Talk About the d Sound! The d sound is a voiced postalveolar affricatethat simply means it starts like a stop sound d and releases into a fricative . You feel your Anatomy of the oral cavity and tongue structures 5 Tongue Exercises for Clear Communication Spot Pal