Narada Purana — Purva Bhaga, Shloka 18
Anūcāna (True Learning), the Vedāṅgas, and Śikṣā: Svara, Sāmavedic Chant, and Gandharva Theory
ऋक्सामयजुरंगानि ये यज्ञेषु प्रयुंजते । अविज्ञानाद्धि शिक्षायास्तेषां भवति विस्वरः ॥ १८ ॥
ṛksāmayajuraṃgāni ye yajñeṣu prayuṃjate | avijñānāddhi śikṣāyāsteṣāṃ bhavati visvaraḥ || 18 ||
祭式においてリグ・サーマ・ヤジュルの諸ヴェーダの肢分を用いる者も、シクシャー（発音・音声の学）を知らぬ無明ゆえに、ついにはスヴァラを誤り、詠唱が正しくなくなる。
Sanatkumara (teaching Narada on Vedic discipline and correctness in ritual recitation)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bhakti
FAQs
It teaches that sacred sound is a disciplined path: without Śikṣā (correct phonetics and svara), Vedic recitation in yajña becomes flawed, undermining the intended sanctity and efficacy of the rite.
While not directly about bhakti, it supports devotional practice by emphasizing reverent accuracy in sacred utterance—proper chanting becomes an expression of humility and careful worship rather than careless ritualism.
Śikṣā Vedāṅga—training in pronunciation, phonetics, and Vedic accents (svara). The verse warns that ignorance of Śikṣā leads to visvara (incorrect intonation) during ritual recitation.