Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
Q:1/4=90
M:2/2
K:D
['A2 D2', 'F2 A2']  
X:1
L:1/8
Q:1/4=90
M:2/2
K:D
"^Slow" A | F2 ED (FGA)F | BAGF E3 B | A2 D2 (FG) A2 | (B>cd).A F2 A2 | D2 d>e d3 g | e2 E2 TE3 D | 
 F2 A2 B>(dTcB) | A2 D>E F2 A :| z | d3 e defd | gfed e2 fe | d2 A2 F2 A2 | (Bcd).A F2 A2 | 
 D2 d2 d3 f | e2 E2 TE3 D | F2 A2 B(dTcB) | A2 D2 F2 A2 |]  