Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/16
M:2/4
K:D
['(vfg a2)(a^g) a2ag a2a2 bagf g2(gf) g2(gf)', '[dF][dF][fd][fd] defg a2a2 f2f2 efe2 d4-']  
X:1
L:1/16
M:2/4
K:D
 (vfg |"D" a2)(a^g) a2ag | a2a2 bagf |"A7" g2(gf) g2(gf) | g2g2 agfe |"D" f2(fe) f2(fe) | 
"G" defg a2a2 |"A7" f2f2 (efe2) |"D" Md4- Md2 :: (3(vABc | 
"^Rocking bow" [dF])[dF][fd][fd] [dF][dF][fd][fd] | defg agfe | 
"A7" [cE][cE][ec][ec] [cE][cE][ec][ec] | cdef (gf)e2 |"D" [dF][dF][fd][fd] [dF][dF][fd][fd] | 
 defg a2a2 |"A7" f2f2 efe2 |"D" d4- ud2 :|  