Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
Q:1/4=104
M:3/4
K:Eb
['B3 (Bgf) (e2 G2) (c>B)', 'z2 (c>B) (BD) (DFcB) (BE) (EGcB) Bd', '(cB) .G.B,', '.G2 (G2 z G)']  
X:1
L:1/8
Q:1/4=104
M:3/4
K:Eb
"^Moderato" (3E/G/A/ | B3 (Bgf) | (e2 G2) (c>B) | B2 (FA).c.B | (B2 E2) (GA) | B3 (Bgf) | 
 (e2 G2) (c>B) | (B=c)(cB)._A.F | E2 z2 :: (c>B) | (BD) (DFcB) | (BE) (EGcB) | Bd (6:2:6DFAdcB | 
 B2 z (GA=A | B3) (Bgf) | (e2 G2) (c>B) | (B=A)(cB).A.F | E2 z2 :: B2 | (cB) .G.B, .E2 | 
 (DF).A.F .d2 | (cB) .A.B, .D2 | (EG).B.G e2 | (cB) .G.B, E2 | (DF).A.F d2 | (cB) .A.B, D2 | E4 :: 
 (B,E) | .G2 (G2 z G) | .G2 (G2 z G) | (Gc) (c3 B) | (BA) A2 z2 |{D} F2 (F2 z F) | .F2 (F2 z F) | 
{D} c3 (BAD) | E4 :|  