Holy Monday-Tuesday: 

Alleluia... Troparion "Behold the Bridegroom" - Kievan Chant - YouTube

Holy Thursday (Vesperal Liturgy): 

Come, O Faithful - Lesser Znamenny Chant arr. Klimov/Lebedev - YouTube

The Noble Joseph sung 2x on Holy Friday night: 

The Noble Joseph - Bulgarian Chant - YouTube

The Canon of Holy Saturday (sung on Holy Friday night, and repeated on Holy Saturday night at Nocturnes)

Ode 1:  Canon of Holy Saturday, Ode 1 - Lesser Znamenny Chant - YouTube

Ode 3:  Canon of Holy Saturday, Ode 3 - Lesser Znamenny Chant - YouTube

Ode 5:  Canon of Holy Saturday, Ode 5 - Lesser Znamenny Chant - YouTube

Ode 8:  Canon of Holy Saturday, Ode 8 - Lesser Znamenny Chant - YouTube

Ode 9:  (Also Sung at Holy Saturday Basil Liturgy)  Canon of Holy Saturday, Ode 9 - Lesser Znamenny Chant - YouTube

Pascha Midnight:  

Paschal Canon (from about 40 seconds):  Pascha--2006 - YouTube

Liturgy:  The Angel Cried - YouTube

Receive the Body of Christ variants: 

Receive the Body of Christ - YouTube

Receive the Body of Christ - YouTube

Music for each of the “daily office tones” (tones are melody patterns)--note these are distinct from troparia/kondakia tones, and from prokeimena tones): 

Music Downloads - Tone 1 - Orthodox Church in America (oca.org)