Compose a piece of music utilizing the given alphabet sequence and motif.
X:1
L:1/8
M:2/2
K:G
['B2 GB', 'g2 dB']  
X:1
L:1/8
M:2/2
K:G
 c | B2 GB dedc | B2 GB cAAd | B2 GB dedc | Bdce dGG :: f | g2 dB g2 dB | ggdB cAAf | g2 dB g2 ec | 
 Bdce dGG :|  