Listen to Crocodile Gena's Birthday Song (Russian Birthday Song) (Piano Version) online. Crocodile Gena's Birthday Song (Russian Birthday Song) (Piano Version) is an English language song and is sung by Happy Birthday and Geburtstag. Crocodile Gena's Birthday Song (Russian Birthday Song) (Piano Version), from the album Happy Birthday Songs, was released in the year 2023. The duration of the song is 1:19. Download English songs online from JioSaavn.