Chitra, Hagit Noam, Bharata and Ishwara are singing the Gayatri Mantra:
Om Bhur Bhuvah Svaha
Tat Savitur Varenyam
Bhargo Devasya Dhimahi
Dhiyo Yo Nah Prachodayat
during a saturday evening satsang at Yoga Vidya in Bad Meinberg, Germany.
You will find further explanations in German about the meaning of this mantra in the Online Yoga Vidya Kirtan Songbook under the number 610. If you are interested in seminars with mantras and music, then you will find many seminars on this topic in our online seminar overview. There are many english yoga seminars every year in the different ashrams of Yoga Vidya. You can find them all by clicking here.
You can get to other mantra recordings here.