Construct a piece of music by converting the stated musical sequence into an alphabetical format and integrating the supplied motif.
X:1
L:1/8
M:3/4
K:Eb
['[EG,]2 [EG,]2', 'EB gBgB EB gBbB', 'B,AFD B,2 EeBG E2']  
X:1
L:1/8
M:3/4
K:Eb
 [EG,]2 [EG,]2 [EG,]2 | [EG,]2 [EG,]2 fg | (3egf (3edc (3BcA | (3BcB (3AGF (3EDC | 
 [DB,]2 [DB,]2 [DB,]2 | [DB,]2 [DB,]2 ga | (3gag (3fgf (3efe | (3ded (3cBA (3GAF :: EB gBgB | 
 EB gBbB | DB fBfB | DB fBaB | EB gBgB | EB gBbB | agfedf | e2 A2 :: B,2 | B,AFD B,2 | EeBG E2 | 
 B,AFD B,2 | EeBG E2 | [aB][aB][aB][aB][aB][aB] | [gB][gB][gB][gB][gB][gB] | f2 e2 d2 | [eG]4 :|  