Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:4/4
K:C
['', 'BGFG DC- C2', 'G2 (Bd)']  
X:1
L:1/8
M:4/4
K:C
 .abc || |[M:2/2][K:Gmin] (Tdc) | BGFG DC- C2 | DG({A}G^F) GABc | d=efd cAGF | D(F{G}FE) F2 (dc) | 
 BGFG DC- C2 | D(G{A}G^F) GABc | d=efd cAGF | D(G{A}G^F) G2 || (D^F) | G2 (Bd) gdBG | 
 F2 (Ac) fcAF | G2 (Bd) gdBd | Tc=Bcd cAFA | G2 (Bd) gdBG | F2 (Ac) fcdB | GABd cAGF | 
 D(G{A}G^F) G2 |]  