Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:12/8
K:D
['A2 G', 'ABc d3 ABc']  
X:1
L:1/8
M:12/8
K:D
 A2 G FAF EGE F3 | A2 G FAF EGE F2 D | A2 G FAF EGE F3 | ABc d2 A A2 G F2 D :: ABc d3 ABc d3 | 
 ABc d2 e f2 d e2 c | A2 B c3 A2 B c3 | ABc d2 A B2 G F2 D :|  