Mahāmṛtyuñjaya Mantra
Taittirīya Saṃhitā 1.8.6 / also Ṛgveda 7.59.12
tryambakaṃ yajāmahe sugandhiṃ puṣṭivardhanam
urvārukam iva bandhanān mṛtyor mukṣīya mā'mṛtāt
Krishna Yajur Veda includes mantra and explanatory material together. The Taittirīya Saṃhitā tradition is especially important for many commonly recited mantras and Rudram practice.
Together, the four Vedas form the foundation of Sanātana Dharma (Hinduism) and have been preserved through oral tradition for thousands of years.
tryambakaṃ yajāmahe sugandhiṃ puṣṭivardhanam
urvārukam iva bandhanān mṛtyor mukṣīya mā'mṛtāt
namaḥ te rudra manyava utota iṣave namaḥ
namaḥ te astu dhanvane bāhubhyām uta te namaḥ
śaṃ no mitraḥ śaṃ varuṇaḥ śaṃ no bhavatv aryamā
śaṃ na indro bṛhaspatiḥ śaṃ no viṣṇur urukramaḥ