Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
M:6/8
K:G
['B3{d} cBc d3', 'A2 A B2']  
X:1
L:1/8
M:6/8
K:G
 B3{d} cBc | d3 B2 G | g3 gfe | d3{d} cBc | B3{d} cBc | d3 efg | d2 B cBA | G3 G3 || G | A3 A2 A | 
 B2 A A2 z | A3 A2 A | B2 A A2 z | A3 A2 A | B2 A A2 A | B2 B ^c2 c | d3 dc"^DC"B ||  