Hymns of Contrition
The Hymns of Contrition may also be called the Penitential Hymns  and known by from the Greek, using standard Latinisation, as Katanyktikoi Hymnoi. The term refers to a wide set of pieces of hymnography used throughout the period of the Triodion, most especially in the stichera of Lenten Vespers (most often referenced in Sunday night Vespers). 
- The Catholic church refers to the Penitential Psalms as Penitential Hymns; in the Orthodox Church these two terms should not be confused.
- Definition provided by User:ASDamick
- A penitential hymn based on Mary Magdalene. In the Byzantine tradition, this hymn is considered a musical high point of Holy Week.