Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
M:6/8
K:Dmin
['A2 =B']  
X:1
L:1/8
M:6/8
K:Dmin
 d2 d | e2 d A2 =B | ^c3- c2 d | e>fe d2 ^c | A3- A2 z | A2 =B (^cB)A | ^c2 e dc=B | A>^GA F>=GF | 
 E3- E3 |{E} ^G2 A F2 E | D3 D3 | z2 z |]  