World Class Singers use Middle Voice

Wikipedia lists the following singers as ones who use the Middle Voice - there is no greater endorsement!

Celine Dion
Atif Aslam
Ziana Zain
Mariah Carey
Lara Fabian
Regine Velasquez
Niki Astria
Aretha Franklin
Tevin Campbell

The Number One Technique That You Can Utilize To Sing Your Best

Voice lessons taught by vocal coaches that are established singers is the one widespread ingredient that all singers who have a professional approach to singing undertake. All excellent singers agree that locating and studying with a great vocal teacher is the number one thing for you to do in order to sing your best.

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The Art and Science to Discover your True Singing Voice – A Journey

The art and science of singing comes out of straightforward foundations. [...]