The emphasis in the Keertanas is on its aesthetic excellence and that is why it is considered as the most important part of Karnatic classical music. The great master composers who came after Sri Purandara faithfully followed the tradition and form which Purandara established. The Raga and Tala aspects are followed by composers like Dikshitar and Shama sastri and the purely Raga aspects by composers like Kshetragna. But it was Tyagaraja who brought out in the fullest measure all the three aspects viz. Raga Bhava and Tala of the tradition, founded by Purandara.
Haridasas compositions are so emotional that any one can moved to tears.
Their language is the language of music which takes the individual above the Immanent to Transcendental.