Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
Q:1/8=150
M:4/4
K:G
['eA (3cBA', 'g2 fg']  
X:1
L:1/8
Q:1/8=150
M:4/4
K:G
 gf | eA (3cBA eA (3cBA | cdef gedB | G2 BG dGBG | Bdef g2 fg | eA (3cBA eA (3cBA | cdef g2 fg | 
 afge dBGB | AcBG A2 :| Bd | eaag a2 ag | edef gedB | G2 BG dGBG | Bdef g2 fg | eaag abag | 
 edef g2 fg | afge dBGB | AcBG A2 :|  