Create musical composition by adhering to the given musical structure represented by letters and integrating the given motif.
X:1
L:1/8
M:3/4
K:Dmix
['FG A3', 'D2 FA d2 dc A/B/c B2 BA']  
X:1
L:1/8
M:3/4
K:Dmix
|: FG | A3 A GF | GF D2 FG | A3 B cd | BA G2 FG | A3 A GF | GF D2 F<A | E2 ED CE | GA D2 :: FA | 
 d2 dc A/B/c | B2 BA GB | c2 cB AG | AF D2 FA | d2 dc A/B/c | B2 BA GB | c2 cB AG | A3 D :|  