Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
Q:1/4=80
M:4/4
K:D
['F2 A2', 'D2 d2 (c>B)AB cdef (g>a)(f>g) e3 A']  
X:1
L:1/8
Q:1/4=80
M:4/4
K:D
"^Slow" D2 | F2 A2 d3 e | Te>d (e/f/g/f/) e3 E | F2 A2 f>edB | A4{d} D2 D>E | F2 A2 d3 f | 
 e>d (e3/2f/4g/4) e3 E | F2 A2 (f>edB) | A4{d} D2 :| d2 | (c>B)AB cdef | (g>a)(f>g) e3 A | 
 (d>efg) a>bag | (f>g)(ag fe)d>e | (c>BAB) (c>def) | g>a (b/a/g/f/) e3 E | F2 A2 f>edB | 
 A4{d} D2 :|  