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:4/4
K:G
['', 'DGGA B2', 'GF fgag fdd e effd cA ag']  
X:1
L:1/8
M:4/4
K:G
 GF |: DGGA B2 ag | egdc BGG F | DGGA B2 AG | BdcA G2 GF :| fgag fdd e | effd cA ag | fgag fddA | 
 defa g3 a | bgag{a} gfd e | fded cAGF | DGGA B2 AG | BdcA G2 GF ||  