Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:2/2
K:G
['B d2 d dedc BABd B2 G2', 'a2 fafe']  
X:1
L:1/8
M:2/2
K:G
|: B d2 d dedc | BABd B2 G2 | ([G-B] [Gc]2) ([G-B] [Gc])ded | cBAB A2 G2 | B d2 d dedc | 
 BABd B2 G2 | cBAG FDEF |1 G2 ([GA]/ [GB]3) [GB]4 :|2 G2 ([GA]/ [GB]3) [GB]2 Bc |: dedc B2 [Bg]2 | 
 efed c2 a2 | fafe ddef | gabg d2 Bc | dedc B2 [Bg]2 | efed c2 a2 | fafe d2 ef |1 
 [Bg][Bf][Bg][Ba] [Bg]4 :|  