Listen to Blessed Assurance (Feat. Mark & Donna Kay Moseley) online. Blessed Assurance (Feat. Mark & Donna Kay Moseley) is an English language song and is sung by Justin Ryan. Blessed Assurance (Feat. Mark & Donna Kay Moseley), from the album Revive Us Again Timeless Hymns Treasured Friends, was released in the year 2011. The duration of the song is 2:41. Download English songs online from JioSaavn.