Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
M:4/4
K:C
['cB)cA dbg(e de)dB', 'G2 (cB) AGA(B cB)ce dfg(e dc)dB cecA', 'G2 Bc dgBg dgBg (3(gfg) bg fdef', 'B(GGF) G(DB,D) (3(GFG)']  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:G] .abc (dc) | BAG(B cB)cA | dbg(e de)dB | cecA (3(Bcd) (BG) | FGA(G FD)EG | 
 BAB(G cB)cA | dbg(e de)dB | cedc (3(BAG) (3(AGF) | G2 B2 G2 :: (cB) | AGA(B cB)ce | dfg(e dc)dB | 
 cecA (3(Bcd) BG | FGA(G FD)EF | (GF)(GAB)GFD | GABG ABcA | dgfe (3(ded) (3(cBA) | G2 B2 G2 :: Bc | 
 dgBg dgBg | (3(gfg) bg fdef | gage dedc | (3(BAG) (3(AGF) GDB,D | Gg(ge) dBGB | cBc(d ef)ge | 
 dgfe (3(ded) (3(cBA) | G2 B2 G2 :: (dc) | B(GGF) G(DB,D) | (3(GFG) (BG) ABcA | (dc)(de) f(dCA) | 
 (3(ded) (cA) d2 (cA) | B(GGF) G(DB,D) | (3(GFG) (3(BAG) ABcA | d(gfe) (3(ded) (3(cBA) | 
 G2 B2 G2 :|  