@ Irene46

I don't particularly like JHud, I don't think she is a good musician and I think her songs are boring, also she has bad intonation and does strain sometimes.
Beyonce overall is a good singer and does not strain, there's a couple of performances I thought were awful (her "ave maria" at the BET's, her tribute to Barbra) but overall I respect her skill though I don't like her music.
Whitney in her prime had fabulous technique and range, she could growl and grunt but that wasn't her technique just a stylistic choice and she didn't do it all the time.