Gitas

Veëu-Gétä — The Gopés Glorify the Song of Kåñëa’s Flute — (Çrémad Bhägavatam–10.21.1-20)

Praëaya-Gétä — Kåñëa and the Gopés Meet for the Räsa Dance — (Çrémad Bhägavatam–10.29.31-41)

Gopé-Gétä — The Gopés’ Songs of Separation — (Çrémad Bhägavatam–10.31.1-19)

Yugala-Gétä — The Gopés Sing of Kåñëa as He Wanders in the Forest — (Çrémad Bhägavatam–10.35.2-25)

Bhramara-Gétä — The Song of the Bee — (Çrémad Bhägavatam–10.47.12-21)

Book
http://www.rupanuga.narod.ru/pdf/gitas_en.pdf

Reference
http://vedabase.net/sb/10/en

Yajna

Maharshi Narayana narrated to Narada about the background of Gopika Susheela of Rasamandali of Goloka. She was deeply desirous of Shri Krishna and Devi Radha was annoyed and asked Susheela to leave Goloka.

Almost instantly Shri Krishna disappeared and Devi Radha was confused and prayed to him saying that despite her being with him for long, she could not overcome the temperament of a woman. As though he pardoned Devi Radha, Shri Krishna re-appeared at Goloka.

Meanwhile, Devi Susheela assumed the name of Dakshina Devi and performed harsh Tapasya to Shri Hari and the latter blessed her and handed her over to Brahma who in turn

1. declared her as the wife of Yagna Deva. 
2. ‘Phala’ was the son of Dakshina and Yagna. 

Source
Brahma-vaivarta Purana