Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:6/8
K:D
['d2 e fdB', 'AGE GAB', 'dBA D2 E G3']  
X:1
L:1/8
M:6/8
K:D
 A"A" |"D" d2 e fdB | d2 e fdB |"A7" AFE E3 | AFE E2 A |"D" d2 e fdB | d2 e fdB |"A7" AFD"D" D2 B | 
 AFD D2 |]: A"B" |"G" B3 BAF |"A7" ABc"Bm" d2 B |"A7" AFE E3 | AFE E2 A |"G" B3 BAF | 
"A7" ABc"Bm" d2 B |"A7" AFD"D" D2 B | AFD D2 :: f"C" |"G" gag"D" fgf |"Em" ede"Bm" fdB | 
"A7" AFE E3 | AFE E2 f |"G" gag"D" fgf |"Em" ede"Bm" fdB |"A7" AFD"D" D2 B | AFD D2 :| 
[M:6/8][K:G]"^Merrily Kiss the Quaker's Wife" z D"D" |"G" GAB D2 B |"C" c2 A AGE |"G" GAB DEG | 
"D" A3 AGE |"G" GAB DED |"C" c2 A AGE |"G" GAB"D7" D2 E |"G" G3 z |]: z A"E" |"G" BGG AGG | 
 BGG"C" AGE |"G" GAB DEG |"D" A3 AGA |"G" BGG AGG | BGG"C" AGE |"G" GAB"D7" D2 E |"G" G3 z :: 
 Bd"F" |"G" g3"D7" a3 |"G" bge dBd | g2 g gab |"D" a3- agf |"C" gag"D7" fgf |"C" efe"D7" dBA | 
"G" GAB"D7" D2 E |"G" G3 z :|  