Listen to Happy Birthday Sonu Bhaiya online. Happy Birthday Sonu Bhaiya is a Bhojpuri language song and is sung by Vidyanand Sagar. Happy Birthday Sonu Bhaiya, from the album Happy Birthday Sonu Bhaiya, was released in the year 2022. The duration of the song is 3:24. Download Bhojpuri songs online from JioSaavn.