Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:2/4
K:G
['dB g>d fe a>g fe', 'A^G/A/ Bc de f2 a/g/e a/g/e', 'g>d fe a>g fe', 'gG c/d/e']  
X:1
L:1/8
M:2/4
K:G
 B/c/ | dB g>d | fe a>g | fe dc | Be dB/c/ | dB g>d | fe a>g | fe de/f/ | gg g :|[K:D] z | 
 A^G/A/ Bc | de f2 | a/g/e a/g/e | db a2 | A^G/A/ Bc | de f2 | a/g/e a/g/e | dd d :|[K:G] B/c/ | 
 dB g>d | fe a>g | fe dc | Be dB/c/ | dB g>d | fe a>g | fe de/f/ | gg g :|[K:C] e | gG c/d/e | 
 gG c/d/e | gB B/c/d | d/e/f fG | gG c/d/e | gG c/d/e | d/e/f B/c/d | dc c :|  