Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:4/4
K:G
['(dB).B.B BAGA', 'g2 ga']  
X:1
L:1/8
M:4/4
K:G
 ge | (dB).B.B BAGA | BABc B2 (ge) | (dB).B.B BAGA | eaab a2 ge :| g2 ga | baaf | g2 ga b2 ge | 
 g2 ga bgaf | eaab a2 ge | g2 ga bgaf | g2 ga b2 ge | (bg)af gfed | eaab a2 ge!D.C.! ||  