The Thalamus Quartet is a Jerusalem group of four singers whose members are students and graduates of the Academy of Music and Dance in Jerusalem. They specialize in a capella music drawn from Renaissance madrigals and new Israeli music:

So apparently they've got some talent.

References:
* Thalamus Quartet
* Shir Ha Emek Thalamus Quartet [odedshomrony / YouTube]

Previously:
* Afternoon Zionist Hip Hop - Divided and Conquered [Video]
* Shabbat Beauty - Sarit Hadad Is Good At Singing [Video]
* Shabbat Beauty - Zionist Hip Hop In Remembrance Of Yaakov Paz. A Momentary Song" [Video]