Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:2/4
K:D
['BA FA', 'd2 de fa fe']  
X:1
L:1/8
M:2/4
K:D
 A | d2 cB | BA FA | d2 de | fa fe | d2 c2 | BA FA | dB cA | B2 B :| A | d2 de | fa fe | d2 df | 
 eB BA | d2 de | fa fe | dB cA | B2 B :|  