Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/16
M:2/4
K:F
['AB c2f2d2f2 cdcB A2c2', "fgaf efge fcde fcdf cfac'"]  
X:1
L:1/16
M:2/4
K:F
 AB | c2f2d2f2 | cdcB A2c2 | B2B2 A2A2 | G6 AB | c2f2d2f2 | cdcB A2c2 | d2g2 e2c2 | f6 z2 :: 
 f2 z2 e2 z2 | f6 d2 | c2c2 B2A2 | A2G2 z2 c2 | f2 z2 e2 z2 | fcag fedc | BAGF E2c2 | AFGA Bcde | 
 fgaf efge | fcde fcdf | cfac' bgaf | a2g2 z2 c2 | fgaf efge | fcde fcdf | cfac' =bc'_bg | 
 f2a2 f4 :|  