Listen to Gaa Diwane Jhoom Ke (Flat No.9) - Commentary online. Gaa Diwane Jhoom Ke (Flat No.9) - Commentary is a Bengali language song and is sung by Mukesh and Commentary (Amin Sayani). Gaa Diwane Jhoom Ke (Flat No.9) - Commentary, from the album Geetmala - Delightful Music Of 1961 - Part 2, was released in the year 2010. The duration of the song is 2:57. Download Bengali songs online from JioSaavn.