Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/4
M:4/4
K:D
['A F']  
X:1
L:1/4
M:4/4
K:D
 A |"D" d3/2 c/ d A |"G" B d"D" A F |"Bm" B3/2"^(A7)" A/"D" A F | D F"A" E A |"D" F3/2 G/ A d | 
"C#7" c3/2 B/"F#m" A"^(D#dim)" A |"Em" G2"A7" E2 |"D" D3 |]  