CHANT AFTER FIRST READING
Psalm 151: #112
CHANT BEFORE PASSION
Psalm 151: #61, V./ for Palm Sunday and Good Friday
ADORATION OF THE HOLY CROSS
Improperia - Psalm 151: #113
(external link) Hymn: Faithful Cross - Lumen Christi Missal, page 204
There is no proper Communion for this day. However, a setting of Psalm 22 (e.g., Psalm 151, #102) may be used at that time, as it is a seasonal Psalm for Passiontide.