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:C
['ef g2', "c2 ef (ge)(ge) g4 (af)(af) a4 c'2"]  
X:1
L:1/8
M:2/2
K:C
 ef g2 ef g2 | cdef ed c2 | ef g2 fe d2 | G2 c2- c2 :: ef | (ge)(ge) g4 | (af)(af) a4 | 
 c'2 ba g2 d2 | g4- g2 ef | gagf efed | cdcB A2 Bc | dedc BcBA | GAGF E2 FG | ABAG FGFE | 
 DEDC B,2 ef | g2 e2 d2 G2 | c6 :|  