This is the 9137th most frequent Russian word.
свиридова
"Свиридова" is not a standalone word but a surname in Russian, typically transliterated as "Sviridova."
The word 'Свиридовой' is used here as a possessive form indicating authorship.
Сегодня я прочитал книгу Свиридовой.
Today I read a book by Sviridova.
Here, 'Свиридовой' shows possession, relating to music created by someone named Sviridova.
Мы обсуждали музыку Свиридовой на уроке.
We discussed Sviridova's music in class.
In this case, 'Свиридова' is functioning as a proper noun, specifically the subject of the sentence.