Swathi Tirunal composed 'Kuchelopakhyanam' and 'Ajamilopakhyanam' - both musical works. The other options are works by other composers - Sangita Sampradaya Pradarshini is by Subbarama Dikshitar, Chaturdandi Prakasika is by Venkatamakhin, and Sangita Rasa Manjari is a different work.