Listen to Probas (Slowed+Reverb) online. Probas (Slowed+Reverb) is a Bengali language song and is sung by Gogon Sakib and Sumaiya. Probas (Slowed+Reverb), from the album Probas (Slowed+Reverb), was released in the year 2025. The duration of the song is 4:48. Download Bengali songs online from JioSaavn.