Listen to Hollow Knight: Silksong Trailer Theme (Epic Piano Version) online. Hollow Knight: Silksong Trailer Theme (Epic Piano Version) is an Instrumental language song and is sung by Capybara Piano. Hollow Knight: Silksong Trailer Theme (Epic Piano Version), from the album Hollow Knight: Silksong Trailer Theme (Epic Piano Version), was released in the year 2025. The duration of the song is 1:54. Download Instrumental songs online from JioSaavn.