Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
Q:1/2=90
M:2/2
K:C
['FA d2 d2 cB cd e2 e2', 'DFAd edcB']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:C
 C |[K:D]"^Swallow's MS p.121" AG | FA d2 d2 cB | cd e2 e2 dc | defd gfed | ec A2 ABAG | 
 FA d2 d2 cB | cd e2 e2 ag | fdec dABG | F2 D2 D2 :: (3(ABc) | dAFA DFAd | edcB Aceg | fdAF DFAd | 
 edcB A3 A | BGBd gfed | cAce d3 A | BGAF GEAG | F2 D2 D2 :|  