Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/4
M:4/2
K:F
['B2 A2']  
X:1
L:1/4
M:4/2
K:F
 c2 | c4 c4 B2 A2 | F4 G2 F4 F2 | c4 c4 B2 A2 | G3 A B2 A4 G2 | F2 F2 E2 C2 | D4 E2 F4 A2 | 
 G2 G2 F2 E2 | D4 C4 z2 c2 | c2 c2 B2 A2 | G4 F6 |]  