Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:4/4
K:C
['BGFD EC C2 DGGF GABc defd cAGF', 'G2 Bd']  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:C]!p! aed da a G da[Q:1/8=180]"^G modal" .dc | BGFD EC C2 | DGGF GABc | defd cAGF | 
 DEFE F2 dc | BGFD EC C2 | DGGF GABc | defd cAGF | DGGF G2 || DF | G2 Bd gdBG | F2 Ac fcAF | 
 G2 Bd gdBd | cBcd cAFA | G2 Bd gdBG | F2 Ac fcdB | GABd cAGF | DGGF G4 |]  