Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:4/4
K:G
['DG B2']  
X:1
L:1/8
M:4/4
K:G
 DG |"G" B2 BA G2 AG |"C" EG- G2 z2 DG |"G" B2 BB"E7" d2 cB |"A7" A4"D7" z2 dc | 
"G" B2 BA"G7" G2 AB |"C" dc- c2 z2 (E_E) |"G" D2 GG"D7" B2 AA |"G" G6 |]  