Chanting requires vibrating the tongue Tongue mapping research: CSU device lets you hear with your tongue Colorado State University IWTL exactly what the tongue is supposed to be doing during a rolled R (spanish trill) : r IWantToLearn Can You Roll Your R's? Spanish Pronunciation: How I Learned to Roll my R's The Glossika Blog In English, consonant sounds are divided into voiced and voiceless. A voiced consonant sound is produced when your vocal cords vibrate while you say the sound. You can check this by