CLASSIFY and GUESS these four (male) classical singers' countries

[Bruchus]

If you know them and where they're from, just classify them. This time, just one guess allowed. The most accurate ones will receive a reputation comment.

1. Countertenor
http://d3kl303i68us18.cloudfront.net/image/23318/og/dulces-acentos-amargos-silencios.jpg

2. Countertenor
https://images.bwwstatic.com/columnpic6/5318E26D-93C2-463D-0AD1D48577383271.jpg

3. Countertenor
https://i0.wp.com/www.musicomh.com/wp-content/uploads/2014/06/35729598.jpg?fit=600%2C600&ssl=1

4. Baritone
http://mb.cision.com/Public/3371/9376211/a868cb78fd02bdff_org.jpg

[Bruchus]

COME ON, guys.

[Tacitus]

Greek, French, German, Georgian.

[Odin]

1. Baskid, Spain.
2. Atlantid, France.
3. Baltid + Alpine, Germany.
4. Mtebid, Georgian.