There are far more than two.
Hundreds, maybe thousands, as a matter of fact.
Some examples are:
And so on.
The Tennessee kids two backup singers are Zenya Bashford and Nicole Hurst. The group also has two male backup singers.
Tenor male singers in the Philippines are rare because their voices are higher than most. Two popular Filipino tenors are Freddie Aguilar and Gary Valenciano.
The two classifications are: soprano (high voices), and alto (lower voices)
one of the two male singers in the quartet the Nashville Edition
A "duet".
Even though the pitch and volume of two singers may be similar, the two singers will still have a different vocal timbre. We can identify them separately the same way we identify the voices of people speaking.
Three Dog Night had their first four chart hits in 1969...two male lead singers
The Tennessee kids two backup singers are Zenya Bashford and Nicole Hurst. The group also has two male backup singers.
Tenor male singers in the Philippines are rare because their voices are higher than most. Two popular Filipino tenors are Freddie Aguilar and Gary Valenciano.
The two classifications are: soprano (high voices), and alto (lower voices)
The two main male voices are tenor and bass. Baritone is somewhere in the middle. Then there's a countertenor, which is an exceptionally high tenor voice, and basso profondo is an extra low bass.
Tony Orlando
one of the two male singers in the quartet the Nashville Edition
The commercial I just heard had two different male voices. The second one sounds to me like Dan Futterman.
Johnny Duncan and Roy Drusky are two male country singers who have performed this song, written by Neil Diamond.
The Two Voices was created in 1842.
To name just two - Simon Estes - Bass-baritone Darron Flagg - tenor.