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=80
M:2/2
K:G
['B2 B2', 'c2 c2']  
X:1
L:1/8
Q:1/2=80
M:2/2
K:G
 gd | B2 B2 BcAF | G2 G2 G2 Bc | dBdB edcB | cBAG GFED | B2 B2 Bdce | d2 d2 d2 ed | cBAG FDEC | 
 D2 D2 D2 || AB | c2 c2 c2 AB | cBAG"^NB1" GFEC | B,DGB"^NB2" efgB | cBAG GFED | E2 e2 egfg | 
 dgBg dBGB | Acec BGAF | G2 G2 G2 |]  