Chant: Tenebrae during the Triduum.

Maundy Thursday:
At Lauds:
Antiphon:Vide, Domine (Liber Usualis pg.995)
Psalm: Qui Pascis Israel intende; Tonus 2.D. pg.647
Antiphon:Ecce Deus salvator meus ( Graduale Simplex Pg.128)
Canticle: Confitebor tibi Domine; Tonus 4 A* Liber Usualis Pg.649
Antiphon; Cibavit nos Dominus; pg.935
Psalm: Exultate Deo audiutori nostro; Tonus 8 G. pg.935
Capitulum Videmus Iesum
Responsorium Redemisti nos Domine; pg.1532
Antiphon Desiderio desideravi; pg. 1100
Canticum Benedictus ; Tonus 1.g; pg.652

Good Friday:
At Lauds:
Antiphon:Proprio Filio suo, Liber usualis pg.689
Psalm:Miserere mei;Tonus 7.c
Antiphon Iesus Christus dilexit nos (pg.692)
Canticum: Domine audivi auditionem tuam; Tonus 1.f
Antiphon: Crucem tuam adoremus, Domine, pg.708
Psalm: Lauda Ierusalem Dominum; Tonus 8.G
Capitulum Ecce prospere aget
Antiphon: Christus factus est pro nobis; pg.653
Antiphon:Posuerunt super caput eius; pg.694
Canticum Benedictus; Tonus 1.g


holy Saturday :
At Lauds:
Antiphon: Plagent eum; Liber Usualis pg.736
Psalm: Exaudi Deus ; Tonus 7.b
Antiphon: A porta inferi; pg.736
Canticum: Ego dixi in dimidio dierum meorum; Tonus 2.D
Antiphon:Ego fui mortuus (Graduale Simplex pg.140)
Psalm: Laudate Dominum; Tonus 8.c
Capitulum : Dicit Dominus: in tribulatione sua
Antiphon: Christus factus est pro nobis; pg.653
Antiphon:Salvator Mundi, salva nos
Canticum Benedictus;Tonus 1.g

Like I said ealier, some of the antiphons are new, so I don't know what to do with them. The numbers in parentheses are possible adaptations. Stupid Vatican, not publishing a new antiphonal, even though they've had close to 50 years to do it.