Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
M:4/4
K:C
['.G3 .F3']  
X:1
L:1/8
M:4/4
K:C
 DF | AA GF A2 DF | A2 (2:3:2A3 .A3 .G3 .F3 .D4 | d3/2 d/ dc AG Ac | d6 | Ac | d2 dc A2 GF | 
 A3/2 A/ A3 .G3 .F3 .D2 DF | A2 GF G2 (2:3:2A3 .A3 .G3 .F3 | .D6 | DD | E3/2 E/ E^C EE FE | D6 ||  