Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:2/2
K:D
['dBAF D2 EF', 'D2 dcde f2 fd edef gB B2', 'd2 AdBd AdBd AdBg ge e2 AdBd']  
X:1
L:1/8
M:2/2
K:D
 A | dBAF D2 EF | GBAF GEEc | dBAF D2 EF | GBAG FD D2 :: dcde f2 fd | edef gB B2 | gfga b2 ag | 
 faeg fd d2 :: AdBd AdBd | AdBg ge e2 | AdBd AedBd | Abag fd d2 :|  