Listen to Happy Birthday Sonu Bhai online. Happy Birthday Sonu Bhai is a Rajasthani language song and is sung by RK PACHWARA and Sonu Bhandana. Happy Birthday Sonu Bhai, from the album Happy Birthday Sonu Bhai, was released in the year 2023. The duration of the song is 9:15. Download Rajasthani songs online from JioSaavn.