Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:4/4
K:Edor
['Bc dBBA', 'E2 ED E2']  
X:1
L:1/8
M:4/4
K:Edor
 F2 Bc dBBA | B3 c dcBA | G2 Bc dBBA | Beed e2 (3CDE | F2 Bc dBBA | Bega b3 a | e2 ed BA FA |1 
 E2 ED E2 (3DEF :|2 E2 ED E2 (3Bcd || F2 Bc dBBA | B3 c dcBA | G2 Bc dBBA | Beed e2 (3DEF | 
 G2 B=c dBBA | Bega b3 a | e2 ed BA FA |1 E2 ED E2 (3DEF :|2 E2 ED E2 (3Bcd ||  