Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/8
M:4/4
K:G
['eA (3cBA eABA GFEF G2 (ED) EAAB', 'd2 (Bc) dgfg']  
X:1
L:1/8
M:4/4
K:G
 gf | eA (3cBA eABA | GFEF G2 (ED) | EAAB cBcd | efge d2 (fg) | eA (3cBA eABA | GFEF G2 (ED) | 
 EAAB cBcd | efge d2 || (Bc) | dgfg dg{a} (3gfg | eaga ea{b} (3aga | efge defg | af{a}ge d2 (Bc) | 
 dgfg (dg){a} (3gfg | eaga (ea){b} (3aga | efge defg | (3agf ge d2 ||  