Assemble a musical composition that combines the featured motif and conforms to the defined alphabetical form.
X:1
L:1/8
M:4/4
K:Bb
['F2 B2 B2 B3 F c2 c2']  
X:1
L:1/8
M:4/4
K:Bb
 F2 | B2 B2 B3 F | c2 c2 c3 c | dcBA G2 c2 | F4 z2 F2 | c3 cBAGF | FE E2 E3 E | DF B2 c2 A2 | 
 B4 z2 |]  