Cool dog music version for demonstration: 1 1.2.8.
1. After the cool dog music is turned on, click "Sing and Play" at the bottom, and then click "I want to sing" at the top.
2. After opening, select a song you want to sing, and click "K Song" at the back.
3. A choice will pop up at this time. Click on the small print "Stay in Cool Dog K Song" below.
4. After coming in, click "Start Singing" below after downloading the song.
You've learned it. Try singing a song!