Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:2/2
K:G
['fd [df]2', 'e2 dc']  
X:1
L:1/8
M:2/2
K:G
 a4 abag | fd [df]2 [df]4 | [Bg]3 [Bf] [Bg]2 ag | fd [df]2 [df]2 [df](f/g/ | a4) abag | 
 fd [df]2 [df]2 ef | gaba g2 [dg]2 |1 edBA G4 :|2 edBA G |: [G,D] | [G,G]2 [DB]2 [Dd]2 [DB]2 | 
 (cA) !slide![AA]2 [AA]4 | (ABcd) e2 dc | BG [GB]2 [GB]2 (3([G,D][G,E][G,F] | [G,G]2) BB d2 BB | 
 !slide!c A3 !slide![AA]2 ef | g2 (f/g/f) e2 dc | B(D G2) [G,G]3 :|  