Develop a musical composition by incorporating the given alphabetic framework and motif.
X:1
L:1/8
M:3/4
K:Bb
['F,F, F,F, F,/F,/F, ||[M:5/8] C2 CB,/>B,/G, ||[M:2/4]', 'G,/G,/C, [M:5/8] F, z CB,/>B,/G, ||[M:2/4] F,2', 'z E,2 E,E,/ z/ ||[M:5/8] F,2 F,']  
X:1
L:1/8
M:3/4
K:Bb
 F,F, F,F, F,/F,/F, ||[M:5/8] C2 CB,/>B,/G, ||[M:2/4] F,2 F,2 ||[M:3/4] CC B,/G,/G, G,/G,/C, || 
[M:5/8] F, z CB,/>B,/G, ||[M:2/4] F,2 F, z | E,2 E,E,/ z/ ||[M:5/8] F,2 F, z2 :|  