Skl po The head voice and falsetto can sound very similar. In fact some people may say they are one in the same. They both use a ‘head’ tone where the sound is felt in the head and not the chest. Falsetto is a thinner sound and is strictly in the ‘head’ and only uses the thin, leading edges of the vocal folds to vibrate while Head voice can be defined as a ‘mix’ of chest and head voice, which is generally a stronger sound than falsetto.