1
don't stop believin' (1x01)
2
faithfully (1x22)
3
damn it, janet (2x05)
4
borderline/open your heart (1x15)
5
pretending (2x22)
6
smile (1x12)
7
keep holding on (1x07)
8
last christmas (2x10)
9
don't go breaking my heart (2x04)
10
one (1x18)
11
i just can't stop loving you (3x11)
12
no air (1x07)
13
sing (2x13)