Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
M:3/4
K:G
['Bc (de)(d^c)(dg) b3 (agf) e2 (ed)(cB) c2', 'g4 (3gag f2 (Ac)(fa) (3gag (Bc)(gb) a2', 'G4 dg (bg)(fg)(fg) (ag)(fg)(Bc) (d^c)(dD)(FA) (GF)(GB)(dg) (bg)(fa)(gf)']  
X:1
L:1/8
M:3/4
K:G
 Bc | (de)(d^c)(dg) | b3 (agf) | e2 (ed)(cB) | c2 A2 (AB) | c2 (dc)(Bc) | a3 (gfe) | d2 Acfa | 
 g4 :: (3gag | f2 (Ac)(fa) | (3gag (Bc)(gb) | a2 (fa)(ge) | d3 (cBA) | c2 (ac)(ac) | B2 (gB)(gB) | 
 (Ac)(Dc)(AF) | G4 :: dg | (bg)(fg)(fg) | (ag)(fg)(Bc) | (d^c)(dD)(FA) | (GF)(GB)(dg) | 
 (bg)(fa)(gf) | (gf)(gB)(c^c) | (d^c)(dD)(FA) | G4 :|  