Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:C
['(3(efg) a(ece) Ace(a f)dBG A2 (Bc)', '(ed) ceA(e']  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:A] .abc (3(efg) | a(ece) Ace(a | f)dBG A2 (Bc) | def(e d)cBA | GBAF E2 (3(efg) | 
 a(ece) Ace(a | f)dBG A2 (Bc) | df(ed c)ABG | E2 A2 A2 :: (ed) | ceA(e ce)Ae | dfB(f df)Bf | 
 ceA(e ce)Ac | B(AGF) E2 (ed) | ceA(e ce)Ac | d(cde) fgaf | eae(d c)ABG | E2 A2 A2 :|  