Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:2/4
K:C
['Gc cB/c/ dG G/^F/G ec ec ag', 'fe e/^d/e']  
X:1
L:1/8
M:2/4
K:C
 Gc cB/c/ | dG G/^F/G | ec ec | ag g/^f/g | Gc c/B/c | dA A/^G/A | fBA/c/B/d/ | cc c :| 
[K:G] dg g/f/g | fe e/^d/e | Ae d/c/B/A/ | BD G/A/B/c/ | dg a/g/f/g/ | fe e/^d/e | ced/c/B/A/ | 
 GG G z :|  