Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:2/2
K:D
['F2 AF', 'gB(3BBB gBaB gB(3BBB gfed']  
X:1
L:1/8
M:2/2
K:D
 AG | F2 AF BFAF | F2 AF GFED | E2 EF GFED | EDEF GFED | F2 AF BFAF | F2 AF GFED | A2 AB cABc | 
 dfec d2 :: ef | gB(3BBB gBaB | gB(3BBB gfed | (3cBA eA fAeA | (3cBA ed cdef | gB(3BBB gBaB | 
 gB(3BBB gfed | cdef gece | dfec d2 :|  