Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:none
K:D
['=FDFF =FFE D=C=F =FAGA A_B A2 =FG']  
X:1
L:1/8
M:none
K:D
 =FDFF | =FFE | D=C=F | =FAGA | A_B A2 =FG | AG=FGF | =FE =C2 | EGE=FE | D2 D2 |]  