BEFORE YOU CONTINUE — WANT TO SEE WHERE THIS GOES?
Here's me freestyling off the top, not the best, but nothing planned:

And here's a student who couldn't get a word out before he started:

Same exercises you're doing right now, taken all the way. If you want the full path — seven nights, words and all — it's here:

Otherwise keep going. Your free voice training is in the next section, and it's yours either way.