Katyayani chants during a saturday evening satsang the kirtan Bhajo Radhe Krishna. You'll find this bhajan in the Yoga Vidya Kirtan Songbook as number 58. Bhajo Radhe Krishna is a Krishna kirtan. Here are the lyrics:
Bhajo Rādhe Krishna,
Bhajo Rādhe Shyāma (2x)
Soham, Soham, Soham
You can find in our german online seminar calendar seminars with Katyayani and/or seminars on the topic with mantra chanting and music. Enjoy to sing along this mantra Bhajo Radhe Krishna. Om Shanti.