Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/16
Q:1/4=58
M:3/4
K:Gb
['B,3 B,', 'B,8 (3:2:1B,2', '']  
X:1
L:1/16
Q:1/4=58
M:3/4
K:Gb
 F | F3 F F4 (E D) D2 | (E B,) B,2 B,3 B, B,3 B, ||[M:2/4] E3 E (E D3) | (E B,) B,2 B,3 E | 
 (3(E2 B,2) B,2 (B, G,3) | B,2 B, B, (3(B,2 G,2) G,2 | G,4 G,3 G, || 
[M:3/4] B,8 (3:2:1B,2 C2 (3:2:1C ||[M:2/4] B,6 G,2 ||[M:3/4] B,8 (3:2:1B,2 C2 (3:2:1C | B,12 |]  