Answer:
I am a sound made by felines when petted.
Bright as diamonds, loud as thunder, never still, a thing of wonder. What am I?
A sport with love and service played by singles and pairs.
Though desert men once called me God today men call me mad. For I wag my tail when I am angry. And growl when I am glad.
I am black within and red without; with four corners round about. What am I?
Strip the skin under my skin, and my flesh you'll reveal. It tastes sweet and tart, now throw out the peel. What is it?