Merge the assigned motif with the alphabetical notation of the musical sequence to create an exceptional music composition.
X:1
L:1/8
Q:1/2=100
M:4/4
K:Bb
['B2 bg (fdcB)', 'BGFE DEFD']  
X:1
L:1/8
Q:1/2=100
M:4/4
K:Bb
 F | B2 bg (fdcB) | AFcF dFcF | B2 bg (fdcB) | FBAc dBB |: c | BGFE DEFD | ECC=B cGGA | BGFE DEFD | 
 B,BAc dBB |]  