A Dhammapada for Contemplation (2016) 
The ninth perception of the Girimānanda Sutta (AN 10.60.13) re-emphasizes the importance of the transient nature of all internal and external phenomena. Teaching by Ajahn Pasanno. [Perception] [Impermanence] // [Discernment] [Cessation of Suffering]
Sutta: Dhp 277-279 (Amaravati Chanting Book, p. 72; A Dhammapada for Contemplation by Ajahn Munindo, p. 102).
Meditation on the Ten Perceptions [2016], Session 4, Excerpt 2