If you're just getting started then your roar may sound like this baby lion cub:
http://www.huffingtonpost.com/2013/10/04/white-lion-cub-practices-roar-_n_4045986.html?ref=topbar
but with practice, your Quititude becomes a full throated ROAR!
https://www.youtube.com/watch?v=_22gJ5kB31k
Practice, practice, practice!
You CAN do this!