The Buddha explained that Mindfulness of In and Out Breath (Ānāpānasati) can develop all 4 Satipaṭṭhāna (Foundations of Mindfulness).
In this guided meditation, Ajahn Dhammasiha uses the instructions of the Buddha as given in Ānāpanasatisutta (Middle Length Discourses #118) to lead us in develoing the 4th Satipaṭṭhāna, 'Contempation of Dhamma':
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