| Are there any duet groups with really beautiful harmonizing? Male/female or female/female. |
| Little big town. That's four, but 2 women + 2 men, and it can sound like 1+1. I think sometimes only two do the main melody, and two will do backup vocals. Various combinations. |
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Second Little Big Town. The harmonies on "Live Forever" are nothing short of divine.
When I saw Tori Amos a duo named Trevor Moss and Hannah-Lou opened for her. The song "A Proud Surrender" has some wonderful harmonies. |
| Boyz II Men. |
| From the Voice: Elenowen and Alex & Ani |
| First Aid Kit. Love them. |
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You might like Kings of Convenience.
https://www.youtube.com/watch?v=oll6UfK6iUg |
| Dixie Chicks |
| Indigo girls (Power of Two, Fill it up Again etc) |
| Civil Wars, Swell Season |
| If you know what you're doing you can harmonize with any song and make any song a duet. |
| Bee Gees! |
| Pentatonix! |
+ 1. Their "Landslide" is magnificent. |
| Simon and Garfunkle. None better. |