Listen to Lmfao - All Night Long (Vocal Melody Version) online. Lmfao - All Night Long (Vocal Melody Version) is an English language song and is sung by Maternity Music Masters. Lmfao - All Night Long (Vocal Melody Version), from the album Pregnancy Workout: 30 Instrumental Hits, was released in the year 2012. The duration of the song is 3:47. Download English songs online from JioSaavn.