Listen to Wasn't Expecting That (Originally Performed by Jamie Lawson) online. Wasn't Expecting That (Originally Performed by Jamie Lawson) is an English language song and is sung by Inc. and The Hit Machine. Wasn't Expecting That (Originally Performed by Jamie Lawson), from the album The Hottest Hits Now! Karaoke Vol. 2, was released in the year 2015. The duration of the song is 3:23. Download English songs online from JioSaavn.