Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:4/4
K:C
['gfg agf dgg fdc AGG (A/G/FE) DGG', 'cAG (F/G/A).B']  
X:1
L:1/8
M:4/4
K:C
 BEA ue2003 |[M:6/8][K:G]SOSOO .!fermata!PMTCOMd | gfg agf | dgg fdc | AGG (A/G/FE) | DGG AGG | 
 gfg agf | dgg fdc | AGG (A/G/FE) | DGG G2 :: A | ded cAA | ded cAG | (F/G/A).B cAG | 
 (F/G/A).B c2 A | ded cAA | ded cAG | (F/G/A).B cAG | FGG G2 :|  