Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:4/4
K:A
['F F2 C']  
X:1
L:1/8
M:4/4
K:A
 AFc/e/c/e/FA/F/EC | C2 F2 z2 CF | A2 F/A/ F3 ce | F F2 C E3 z | F>FFAc>ecA | A/FA/c/cF/ A3 z | 
 c>cAAcAc/e/c/e/ | F F2 C E3 z | F e3 F/E/ C2 E | F2 c3 eF/E/F/E/Czc>cAAcAc/e/c/e/ | F F2 C E4 |]  