Listen to Pictures at an Exhibition: XIII. Con Mortuis in Lingua Mortua online. Pictures at an Exhibition: XIII. Con Mortuis in Lingua Mortua is an English language song and is sung by London Symphony Orchestra and Sir Malcolm Sargent. Pictures at an Exhibition: XIII. Con Mortuis in Lingua Mortua, from the album Classical Music for Halloween, was released in the year 2015. The duration of the song is 2:08. Download English songs online from JioSaavn.