Listen to Ain't It The Truth (From 'Cabin In The Sky') online. Ain't It The Truth (From 'Cabin In The Sky') is an English language song and is sung by Lena Horne. Ain't It The Truth (From 'Cabin In The Sky'), from the album American Film Stars of the 20th Century, was released in the year 2011. The duration of the song is 2:32. Download English songs online from JioSaavn.