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=360
M:4/4
K:D
['dc BGGB ABAG', 'f2 df']  
X:1
L:1/8
Q:1/8=360
M:4/4
K:D
 A3 G FGAB | =c2 dc BGGB | ABAG FAdg | fdec Addc | A3 D (3EFG AB | (3=cdc dc BGGB | ABAG FAde | 
 fdec Adde || f2 df e2 de | f2 df ec A2 | f2 df efde | fdec Adde | f2 df e2 de | f2 df ecA^G | 
 A2 (3Bcd ef (3gfe | afge d4 ||  