Darshini Devi chants the mantra "Shri Guru Charanam" during a satsang at the Yoga Vidya Ashram in Bad Meinberg, Germany. You can find the lyrics of this kirtan in the Yoga Vidya Kirtanheft as no. 363:

Shri Guru Charanam

Shri Hari Sharanam

Come along to sing "Shri Guru Charanam" wherever you are,

Om Shanti,

yours Omkara.