Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
M:2/4
K:G
['B2 BA/B/ cB AG']  
X:1
L:1/8
M:2/4
K:G
|:"G" B2 BA/B/ |"C" cB AG |"D7" FG A/B/A/F/ |"G" GF ED |"G" B2 BA/B/ |"C" cB AG |"D7" FG A/B/A/F/ | 
"G" G2 G2 ::"G" d2 d^c/d/ |"C" ed =cB |"D7" c2 cB/c/ |"G" dc BA |"Em" B2 BA/B/ |"C" cB AG | 
"D7" FD A/B/A/F/ |"G" G2 G2 :|  