Which saint-composer of the 15th-16th century, known as the 'Grandfather of Carnatic Music', codified the early lessons of the tradition through his Svaravalis and Alankaras still taught to beginners today?

• A Purandara Dasa ✓
• B Tyagaraja
• C Muthuswami Dikshitar
• D Annamacharya

Purandara Dasa (1484-1564), a Haridasa saint from Karnataka, systematised Carnatic music pedagogy and composed thousands of devotional songs, earning him the title 'Karnataka Sangeeta Pitamaha'.