Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:2/2
K:G
['GG, (3B,A,G, (3B,CD GD', 'ABcd B<GBd gdBG (3FGA (3DEF G2 Gc']  
X:1
L:1/8
M:2/2
K:G
 GG, (3B,A,G, (3B,CD GD | E<A,FA, GFEF | GG, (3B,A,G, (3B,CD GD |1 (3EFG (3AGF (3GDC (3B,A,G, :|2 
 (3EFG (3AGF G2 Gc || B<GBd gdBd | (3cBA (3BAG ABcd | B<GBd gdBG | (3FGA (3DEF G2 Gc | B<GBd gdBd | 
 (3cdc (3BcB ABce | (3dcB (3ABc (3BAG (3FGA | (3GFE (3DEF (3GDC (3B,A,G, ||  