Listen to Thou Swell online. Thou Swell is an English language song and is sung by Johnny Johnson and His Statler Pennsylvanians. Thou Swell, from the album The Big Broadcast, Vol. 4: Jazz and Popular Music of the 1920s and 1930s, was released in the year 2009. The duration of the song is 3:05. Download English songs online from JioSaavn.