Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
M:4/4
K:C
['B B', '[CEGce]2 [CEGce]2']  
X:1
L:1/8
M:4/4
K:C
"Am" BBBB B2 B>B |"Dm" B2 B/B/B"C" B4 |"Am" B2 GB B2 GA |"Dm" DB/B/ DB/B/"C" CB/B/ CB/B/ | B8 | 
 B B B B |][M:4/4] [A,EAce][A,EAce][A,EAce][A,EAce] [A,EAce]2 [A,EAce]>[A,EAce] | 
 [DAdf]2 [DAdf]/[DAdf]/[DAdf] [CEGce]4 | [A,EAce]2 GA [A,EAce] GA | 
 D[DAdf]/[DAdf]/ D[DAdf]/[DAdf]/ C [CEGce]/[CEGce]/ C[CEGce]/[CEGce]/ | [CEGce]8 | 
 [CEGce]2 [CEGce]2 [CEGce]2 [CEGce]2 |]  