References – SN 36.11: Alone 
Sutta / Saṁyutta Nikāya / SN 36: Vedanāsaṁyutta / SN 36.11: Rahogatasutta

Download audio (42:11)
Readings by Ajahn Ñāṇiko:

Reading: Right Mindfulness pp. 96-99 [Mindfulness of breathing]

Reading: SN 22.79: Being Devoured.

Reading: SN 36.11: Alone.

The Four Foundations of Mindfulness [2015], Session 24