Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:4/4
K:A
['f2 B2 B>dc<B c2 a2 f2 f>e', '(3fga (f2 f>)e']  
X:1
L:1/8
M:4/4
K:A
|: f2 B2 B>dc<B | c2 a2 f2 f>e | f>g a2 g2 f>e | f2 B>d c>Bc<e | f2 B2 B>dc<B | c2 a2 f2 f>e | 
 f>g a2 g2 f>e |1 (3fga (f2 f>)e (3age :|2 (3fga (f2 f>)e (3fga |: b2 B2 B>ba<g | a2 c2 c>ff<e | 
 f2 B2 B>ff<e | a>aa<g f>e (3fga | b2 B2 B>ba<g | a2 c2 c>ff<e | f2 f>e f>ec>e |1 
 (3fga (f2 f>)e (3fga :|2 (3fga (f2 f>)e (3age ||  