Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:6/8
K:D
['dAd f3', 'FGA FGA d2 f ecA']  
X:1
L:1/8
M:6/8
K:D
|: dAd f3 | dfd afa | daf d2 f | e=ce g3 | dAd f3 | d2 a{b} afd | A3 gfe | edc d3 :: FGA FGA | 
 d2 f ecA | F3 A3 | FAF BAG | FGA FGA | d2 f ecA | dfa g3 | Ace d3 :|  