Telugu Keerthanlu is a handy app featuring Annamayya,Sri Ramadasu and Thyagaraja keerthanalu(songs).

Taḷḷapāka Annamācārya (or Annamayya) is a Hindu saint of the 15th century and the earliest known Indian musician to compose songs called sankirtanas in praise of Lord Venkateswara,

Bhadrachala Ramadasu, as he is popularly known, Kancharla Gopanna was a great devotee-saint-poet-composer of Andhra Pradesh who dedicate his life to sing the glories of Lord Rama and composed numerous songs in Telugu on his beloved deity of Sri Rama, which are very popular even today in the land of Andhra Pradesh. Ramadasu is known for constructing the current Rama temple in Bhadrachalam.

Tyāgarāju (Telugu: త్యాగరాజు)or Tyāgayya in Telugu and Tyāgarājar in Tamil, was one of the greatest composers of Carnatic music or Indian classical music. Tyagaraja composed thousands of devotional compositions, most in praise of Lord Rama, many of which remain popular today.