Lullaby Singer lets you listen to your favorite lullabies! It consists of a total of three (more on the way!) lullabies like 'Baa Baa Black Sheep' and more. How to Use: 1. Ask Google Assistant to open this by using any one of the following example phrases: "OK Google, Talk to Lullaby Singer" or, "OK Google, Speak to Lullaby Singer". 2. Once in, it will play a lullaby.