Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:6/8
K:D
['', 'Adf e2 d F2 A cBA B2', 'A BcB A3 ABA d2 e f3']  
X:1
L:1/8
M:6/8
K:D
 g ||"D" afd Adf | e2 d F2 A |"G" cBA B2 e | B3 B2 f |"A" gec B2 A | gec BcB |"D" ABA d2 e | 
 f3 f2 g ||"D" afd Adf | e2 d F2 A |"G" cBA B2 e | B3- B2 f |"A" gec B2 A | gec BcB |"D" ABA f2 e | 
 d3 d2 A ||"D" dfd"A" cec |"G" BdB"A" A3 |"D" FGF ABA |"G" G3- G2 d |"A7" cec B2 A | BcB A3 | 
"D" ABA d2 e | f3 f2 g ||"D" afd Adf | e2 d F2 A |"G" cBA B2 e | B3 B2 f |"A" gec B2 A | gec BcB | 
"D" ABA f2 e | d3- d2 ||  