Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:3/4
K:D
['F2 FE FG Ad fa gf fe', '(3efe dc de fe dc ec cB', 'gf fe ge ce', 'Bd g2 g2', 'gf fe ge ce']  
X:1
L:1/8
M:3/4
K:D
|: F2 FE FG | Ad fa gf | fe ge ce | ed fd AG | F2 FE FG | Ad fa gf | fe ge ce | d2 d4 :: 
 (3efe dc de | fe dc ec | cB dB ^GB | BA cA E2 | (3efe dc de | fe dc ec | cB dB ^GB |1 A2 A4 :|2 
 A2 A2 G2 || F2 FE FG | Ad fa gf | fe ge ce | ed fd AG | F2 FE FG | Ad fa gf | fe ge ce | d2 d4 |: 
 B=c de d=c | Bd g2 g2 | Ad f2 ed | Bd g2 g2 | Bc de d=c | Bd g2 g2 | A=c fd ef | g2 g4 :| 
 F2 FE FG | Ad fa gf | fe ge ce | ed fd AG | F2 FE FG | Ad fa gf | fe ge ce | d2 d4 ||  