Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:2/2
K:F
['c e4 f3 c d3 _e c3', 'c f3 g']  
X:1
L:1/8
M:2/2
K:F
 c | e4 f3 c | d3 _e c3 B/A/ | B3 G c3 A | G4 F3 |] c | f3 g e3 d | g3 g g3 a | b3 g c'3 b | 
 a4 b3 a | g3 f/e/ a3 g | f3 e d3 c | f3 g g3 f | f7 |]  