Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
Q:1/4=100
M:2/2
K:Cmix
['(a/g/f/e/ f)c Ac A2', 'F3 A']  
X:1
L:1/8
Q:1/4=100
M:2/2
K:Cmix
 (a/g/f/e/ f)c Ac A2 | G3 c df d2 | (a/g/f/e/ f)c Ac A2 | F3 A cd c2 :: F3 A cdcA | GFGA dcdf | 
 F3 A cdcA | FEFA cdcA | BdBG AcAF | GFGA dcdf | (a/g/f/e/ f)c Ac A2 | F3 A cd c2 :|  