Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/8
Q:1/8=300
M:6/8
K:D
['d2 B', 'B2 c d2 e']  
X:1
L:1/8
Q:1/8=300
M:6/8
K:D
!f! B/c/ | d2 B B^AB | F2 B Bcd | c2 A Acd | ecA ABc | d2 B BAB | F2 B B2 f | fed cBc | F2 B B2 :: 
!ff! d | B2 c d2 e | f2 g a3 | f2 g a2 f | ecA A2 F | B2 c d2 e | fga b3 | fed cBc | F2 B B2 :|  