Create a musical composition incorporating the given motif following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:C
['B2 BA G2 G(E DE)GA (BA) A2', 'G2 Bdg(d']  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:G] .abc B2 BA G2 G(E | DE)GA (BA) A2 | dBAB G(AGE) | DEG(A BG) G2 | B2 BA G2 G(E | 
 DE)GA (BA) A2 | d(cBA) GFE(F | DE)GA BG G2 :| Bdg(d ed)g(d | Bd)gd eA- A2 | Bdg(d ed)gd | 
 B(dAc) (BG) G2 | Bdg(d ed)gd | Bdgd eA- A2 | Bde(f ga)g(e | dB)Ac BG G2 :|  