Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
Q:1/8=180
M:6/8
K:D
['f2 f']  
X:1
L:1/8
Q:1/8=180
M:6/8
K:D
 A | f2 f d2 d | Bcd A2 A | f2 f def | gfg ecA | f2 f d2 d | Bcd A2 A | Bcd cde | d3 d2 A | 
 f2 f d2 d | Bcd A2 A | f2 f def | gfg ecA | f2 f d2 d | Bcd A2 A | Bcd cde | d3 d2 c/d/ | 
 e3 c2 A | FAd fdA | GBd Adf | edB A2 c/d/ | e3 c2 A | FAd fdA | GBd Adf | efe d2 c/d/ | e3 c2 A | 
 FAd fdA | GBd Adf | ef^g a2 a | a3 f2 d | Bcd A2 A Bcd | cde d3 d2 ||  