Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/16
M:2/4
K:G
['[Bg]2dc BcdB', 'BG.G2 BcdB cdec Bdgg ba.a2 bagf gdBG']  
X:1
L:1/16
M:2/4
K:G
 [Bg]2dc BcdB | .A2ag fdef | [Bg]2dc BcdB | cAdc BG.G2 | [Bg]2dc BcdB | ceag fdef | gbfa egdB | 
 ceAd BG.G2 :: BcdB cdec | Bdgg ba.a2 | bagf gdBG | cedc BG.G2 | .B2(d^cd) .=c(e^de) | 
 B2(d^cd) cA.A2 | bgaf gdeB | cedc BG.G2 :|  