Construct a piece of music by converting the stated musical sequence into an alphabetical format and integrating the supplied motif.
X:1
L:1/4
Q:3/4=100
M:6/4
K:G
['G G']  
X:1
L:1/4
Q:3/4=100
M:6/4
K:G
 D G G G2 B | A B G E2 D | E/F/ G G B/c/ d e |{B} A2 G G3 |:  