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
Q:1/8=180
M:4/4
K:G
['BGBd efge dBAG', 'abaf gage d2 Bd', 'GAGE DGGF']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
 (3DEF | G2 GA BGBd | efge dBAG | EAAG ABAG | EAAG AcBA |"^5" GFGA BGBd | efge dBAG | EGGF GAGE | 
 DGGF G2 :| ga |"^9" b2 bg abaf | gage d2 Bd | eaag abag | eaag a2 ga |"^13" babg abaf | 
 gage d2 Bd | eggf gage |1 dggf g2 :|2 dgga gedB ||"^17" G2 GA BGBd | efge dBAG | EAAG ABAG | 
 EAAG AcBA |"^21" GFGA BGBd | efge dBAG | EGGF GAGE | DGGF G4 |]  