Listen to It Must Be Love online. It Must Be Love is an English language song and is sung by Alton McClain and Destiny. It Must Be Love, from the album Maxi Club Disco Funk, Vol. 2 (Club Mix, 12" & Rare Disco/Funk EPs), was released in the year 2016. The duration of the song is 4:46. Download English songs online from JioSaavn.