Answer to:
How do I reach and sustain a high note when singing? The best way to sing high or reach a high note is pretend u are talking to your dog or cat in a cute little high voice. I'm sure u have done it before. That is your high singing voice. U can work on it from there. U need a good flow of air to keep it from breaking also.

Answer to:
When I sing high notes, I sound breathy, and the notes don't hold very long. How can I maintain my high notes? Don't push so hard, if you push less for the high note it will come out brighter, then go from there.