▁effects , ▁dram atic ▁or ▁orn amental , ▁but ▁is ▁usually ▁avoided ▁in ▁the ▁teaching ▁of ▁fundamental ▁vocal ▁method . ▁In ▁English , ▁it ▁is ▁often ▁called ▁a ▁gl ott al ▁attack . ▁ ▁T one ▁production ▁and ▁vocal ▁' att ack ' ▁ ▁V ocal ▁sound ▁is ▁produced ▁by ▁a ▁column ▁of ▁air ▁passing ▁from ▁the ▁l ungs ▁through ▁the ▁l ary nx ▁while ▁the ▁vocal ▁c ords ▁or ▁lig aments ▁are ▁drawn ▁together , ▁leaving ▁narrow ▁spaces ▁through ▁which ▁the ▁air ▁passes ▁in ▁short , ▁rapid ▁p uls ations ▁or ▁v ibr ations . ▁The ▁discipline ▁of ▁training ▁a ims ▁to ▁remove ▁all ▁rig id ity ▁and ▁stra in ▁in ▁the ▁thro at ▁while ▁gover ning ▁the ▁maximum ▁economy ▁of ▁the ▁ratio ▁of ▁breath ▁to ▁tone ▁produced , ▁so ▁that ▁a ▁relax ed ▁and ▁pure ▁tone ▁may ▁float ▁freely ▁on ▁the ▁breath , ▁supported ▁by ▁the ▁trained ▁and ▁el astic ▁pressure ▁of ▁the ▁dia ph rag m ▁upon ▁the ▁l ungs . ▁ ▁When ▁singing ▁a ▁note , ▁it ▁is ▁des irable ▁that ▁the ▁release ▁of ▁breath ▁and ▁the ▁attack ▁of ▁the ▁tone ▁should ▁occur ▁simultaneously ▁and ▁without ▁art ifice . ▁When ▁beginning ▁on ▁a ▁v owel , ▁with ▁no ▁added ▁con son ant ▁to ▁mask ▁the ▁start ▁of ▁the ▁note , ▁one ▁can ▁hear ▁if ▁there ▁is ▁any ▁und es irable ▁emission ▁of ▁breath ▁or ▁asp ir ate ▁( Ha ) ▁before ▁the ▁production ▁of ▁tone . ▁If ▁the ▁voice ▁is ▁correctly ▁produced ▁the ▁union ▁of ▁tone ▁and ▁breath ▁should