@vocaldecoding: 3 reasons every singer should hum as part of their warming up. 1. It stimulates the vagus nerve which activates the parasympathetic nervous system and takes us out of fight or flight. 2. It lowers cortisol the stress hormone. 3. It increases nitric oxide by 15 times over normal nose breathing. Google the benefits. #vocalwarmup #singingtips #singersongwriterartist #singinglessons # @Vocal Decoding