Construct a musical piece using the designated motif and sticking to the alphabetical form presented.
X:1
L:1/8
M:6/8
K:D
['dcB A2', 'A^GA d2 c BGB e2 d caa']  
X:1
L:1/8
M:6/8
K:D
 f/g/ | a^ga baf | dcB A2 d | cde B2 c | dcB A2 a | a^ga baf | dcB A2 d | cde B2 c | [dF]3 [dF]2 :: 
 F/G/ | A^GA d2 c | BGB e2 d | caa a^ga | bag f2 A | A^GA d2 c | BGB e2 d | caa baf | 
 [df]3 [df]2 :|  