Create a musical composition using the provided alphabet sequence and motif.
X:1
L:1/8
M:3/4
K:F
['CF A3']  
X:1
L:1/8
M:3/4
K:F
 CF A3 B | GE =B2 c2 | CF A3 c | B2 A2 F2 | FB d3 f | g_e b2 g=e | fB d3 g | _eA c2 B2 |]  