Listen to Aa Dekhen Zara - Unwind Version online. Aa Dekhen Zara - Unwind Version is a Hindi language song and is sung by Shashwat Singh and Nikhita Gandhi. Aa Dekhen Zara - Unwind Version, from the album Retro Rain Dance, was released in the year 2018. The duration of the song is 5:30. Download Hindi songs online from JioSaavn.