Details on the Swami Jayadeva Ashtapadi discourse by Sri Premi anna is in my blog linked here - Swami Jayadevar Discourse
Ashtapadi No.21 is compulsorily sung in Dolotsavams / Vasanthotsavams signifying that Radha, the Jeevatma, merges with Krishna, who is The Paramatma.
The 22nd Ashtapathi as described above is the Kalyana Ashtapathi and when the Radhakalyanam is being performed.
List of the 24 Ashtapadis:
- Pralayapayodijale -Raga-Sowrashtram
- Shrutha Kamala - Bhairavi
- Lalitha Lavanga - Usaini / Vasantha
- Chandana Charcharitha- Pantuvarali
- Sanchara - Thodi
- Nibhtutha - Kambhoji
- Maamiyam - Bhupalam
- Nindathi chandanam - Sowrashtram (also Dwijavanthi)
- Sthanavini - Bilahari
- Vahathi - Anandabhairavi
- Rathi sukha - Kedaragowlai
- Naatha hare - Dheerasankarabharanam
- Kathithasamaye - Ahiri
- Smarasamaro - Saranga
- Samudhita - Saveri
- Anilatarala - Punnagavarali
- Rajanijanitha - Arabhi
- Harirabhi - Yadukulakamboji
- Vadasiyadi - Mukhari
- Virachita - Kalyani
- Manjutara - Kanta
- Radha vadana - Madhyamavati
- Kisalayashayana - Nadhanamakriya
- Kuruyadu - Surut