Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/4
M:3/4
K:F
['G A B (A/G/) F']  
X:1
L:1/4
M:3/4
K:F
 z2 d | c (=B/A/) G | F G A | B (A/G/) F | G2 (G/A/) | B c d/e/ | f e f | g (e/d/) c | d2 c | 
 d g g | f e d | c (=B/A/) G | c2 e | d =B G | G G A | B (A/G/) F | G z2 |]  