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:6/8
K:Gmix
['g a2 gag D2 g a3 gdg', 'd2 c']  
X:1
L:1/8
M:6/8
K:Gmix
|: g a2 gag | D2 g a3 | gdg dAd | A c2 d3 | f g2 efe | Def g3 | fdc dcA | c A2 G3 :: f d2 d2 c | 
 B A2 B2 A | a f2 d2 c | BAG F2 A | G A2 B2 c | c d2 f2 a | ba^f g^fd | c A2 G3 :|  