Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/4
M:3/2
K:D
['A F']  
X:1
L:1/4
M:3/2
K:D
 D | D A A A | F E D A | B B c B | A3 | A | F E F A | B A F D |[M:3/2] A3 D F E | D3 ||  