Form a musical composition by merging the given motif and the alphabetical representation of the specific sequence.
X:1
L:1/8
M:4/4
K:G
['Bc d2 B2 c2']  
X:1
L:1/8
M:4/4
K:G
 DD | G2 D2 GBdB | BA A2 z2 BA | G2 FE D2 EF | G4 z2 DD | G2 D2 G2 B2 | BA A2 z2 Bc | d2 B2 c2 A2 | 
 Bdce d2 Bc | d2 B2 c2 dc | B2 z4 |]  