Merge the assigned motif with the alphabetical notation of the musical sequence to create an exceptional music composition.
X:1
L:1/8
Q:1/4=100
M:2/4
K:F
['BB BB _A_G', '_A2 F2']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:F
 BB BB | _A_G AF | BB BB | _A_G A>G | F4 |: _A2 F2 | _G_A GF | _E2 E2 | _A2 F2 | _GB _AG | F4- | 
 F4 :|  