Listen to Messiah HWV 56: Part III. Scene II. I. Behold, I Tell You a Mystery online. Messiah HWV 56: Part III. Scene II. I. Behold, I Tell You a Mystery is an English language song and is sung by Royal Philharmonic Orchestra, Huddersfield Choral Society, Sir Charles Mackerras and Robert Lloyd. Messiah HWV 56: Part III. Scene II. I. Behold, I Tell You a Mystery, from the album Messiah, was released in the year 2009. The duration of the song is 0:31. Download English songs online from JioSaavn.