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:G
['B>G (3GFG D>GB,>G B>G (3BdB G2', 'B>d (3ded']  
X:1
L:1/8
M:4/4
K:G
 c/ | B>G (3GFG D>GB,>G | B>G (3BdB G2 G>B | c>A (3A^GA E>AA>=G | F>D (3FAF D2 D>c | 
 B>G (3GFG D>GB,>G | B>G (3BdB G2 G>d | e>cd>B c>AB>G | (3FAF (3DEF G2 G3/2 || c/ | 
 B>d (3ded B>d (3ded | B>G (3BdB G2 G>B | c>e (3ege c>e (3ege | c>A (3cec A2 A>c | 
 B>d (3ded B>d (3ded | B>G (3BdB G2 G>d | (3ece (3dBd (3cAc (3BGB | (3FAF (3DEF G2 G3/2 ||  