Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/8
M:3/4
K:F
['cB c2', '_e2 G2']  
X:1
L:1/8
M:3/4
K:F
 cB | c2 f2 ga | f2 ec BG | F2 FG Bc/d/ | _e4 cB | c2 f2 ga | f2 ec cB | c2 AG FG | F4 || _ed | 
 _e2 G2 ed | _e2 G2 BG | F2 FG Bc/d/ | _e4 cB | c2 f2 ga | f2 ec cA | G2 F2 F>G | F4 ||  