Anūcāna (True Learning), the Vedāṅgas, and Śikṣā: Svara, Sāmavedic Chant, and Gandharva Theory
अंतरस्वरसंयुक्तः काकलिर्यत्र दृश्यते । तं तु साधारितं विद्यात्पंचमस्थं तु कैशिकम् ॥ ५५ ॥
aṃtarasvarasaṃyuktaḥ kākaliryatra dṛśyate | taṃ tu sādhāritaṃ vidyātpaṃcamasthaṃ tu kaiśikam || 55 ||
যেখানে কাকলী স্বর অন্তঃস্বরের সঙ্গে যুক্ত হয়ে শোনা যায়, তাকে ‘সাধারিত’ বলে জ্ঞাতব্য; আর তা পঞ্চমে স্থিত হলে তাকে ‘কৈশিক’ বলা হয়।
Narada (teaching technical Shiksha/svara science to the Sanatkumara tradition)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
It emphasizes that precise intonation (svara) is part of dharma: mantra power and clarity of meaning depend on correct tonal knowledge taught in Vedanga-Śikṣā.
Bhakti is supported by right practice: when hymns and mantras are sung/recited with correct swaras, devotion becomes disciplined and the offering (stuti/japa) is considered properly formed.
Vedanga-Śikṣā: it gives a technical rule for identifying and naming tonal variants (kākali as sādhārita; and kaiśika when positioned on pañcama), useful for accurate chanting and musical-phonetic tradition.