Create a musical composition using the given motif and adhering to the specified musical form represented by alphabet characters.
X:1
L:1/8
Q:1/4=120
M:4/4
K:Bb
['B2 (dB)']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:Bb
 B2 (dB) (fB)(dB) | B2 (dB) (cA)(GF) | !wedge!B2 !wedge!d2 !wedge!f2 !wedge!b2 | a(g/f/) c=e f4 |:  