As per the episode credits, this is what i have so far for additional NIN & TR&AR tracks:
Ep 1
A Familiar Taste – TSN
13 Ghosts II
Later Into the Night – TGWTDT
32 Ghosts IV
Ep 2
32 Ghosts IV
34 Ghosts IV
1 Ghosts I
12 Ghosts II
Ep 3
28 Ghosts IV
Pieces Form the Whole - TSN
1 Ghosts I
34 Ghosts IV
32 Ghosts IV
Ep 4
12 Ghosts II
Pieces Form the Whole - TSN
Pinned and Mounted - TGWTDT
The Wretched (Instrumental)
13 Ghosts II
The Beginning of the End (Instrcumental)
Later Into the Night – TGWTDT
Ep 5
12 Ghosts II
13 Ghosts II
Later Into the Night – TGWTDT
Pieces Form the Whole - TSN