Remember to keep your own voice calm when you are trying to calm children. (kidsmatter.edu.au)
When meeting in person, be aware of your body language and keep your tone of voice calm and respectful. (inc.com)
Parents can choose to have their own recorded voice calm and soothe their child back to sleep via an IPod or CD that is activated when the baby cries — or they can choose a soothing heartbeat, rainforest, or programmed music to calm the baby. (primobaby.com)