Form a musical composition by merging the given motif and the alphabetical representation of the specific sequence.
X:1
L:1/16
Q:1/4=42
M:3/8
K:Bb
['Bc def2 c2 Bcd2 cd BG F2F2']  
X:1
L:1/16
Q:1/4=42
M:3/8
K:Bb
 Bc | def2 c2 | Bcd2 cd | BG F2F2 | F4 BG | F2F2GB | c2c2de | f2e2d2 | c4 BG | F2F2GB | c2c2de | 
 fd gfed | c4 Bc | def2 c2 | Bcd2 cd | BG F2F2 | F4 |]  