Kakarla Tyagabrahmam (Telugu: త్యాగరాజు) (May 4, 1767–January 6, 1847), colloquially known as Tyāgarājar and Tyagayya, was one of the greatest composers of Carnatic music or classical South Indian music. He, along with his contemporaries Muthuswami Dikshitar and Shyama Shastry, forms the Trinity of Carnatic music. He was a prolific composer and highly influential in the development of the South Indian classical music tradition. Tyagaraja composed thousands of devotional compositions, most of them in praise of Lord Rama — most of which remain very popular even today. Of special mention are five of his compositions called the Pancharatna Krithis (English: ‘five gems’), which are often sung in programs in his honor.
Tyagaraja Aradhana, the commemorative music festival is held every year at Thiruvaiyaru in the months of January to February in Tyagaraja’s honour. This is a week-long festival of music where various Carnatic musicians from all over the world converge at his resting place. On the Pushya Bahula Panchami, thousands of people and hundreds of Carnatic musicians sing the five Pancharatna Kritis in unison, with the accompaniment of a large bank of accompanists on veenas, violins, flutes, nadasvarams, mridangams and ghatams.