Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:4/4
K:G
['B>GB>G d>dd>d c>Ac>A e>ee>e B>Gd>G e>f g2', 'D2 d>Bd>B e>ee>e c>Ac>A d>dd>d B>GB>G c>cc>c']  
X:1
L:1/8
M:4/4
K:G
|: B>GB>G d>dd>d | c>Ac>A e>ee>e | B>Gd>G e>f g2 | f>aA>^c d2 D2 :: d>Bd>B e>ee>e | c>Ac>A d>dd>d | 
 B>GB>G c>cc>c | A>GF>E D4 | G>DB>G d>dd>d | c>Ac>A e>ee>e | d>Bd>B g2 fe | d>cB>A G4 :|  