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:1/2=100
M:4/4
K:C
['(AG) (FE) D4']  
X:1
L:1/8
Q:1/2=100
M:4/4
K:C
 C |[K:F] edS MC2 |"^cr" F3 G"_2sharps in MS" (AG) (FE) | D4 d2 e2 |"^cr" f3 c (dc) (BA) | 
"^Min." G6 C2 |"^cr" F3 G (AG) (FE) | D4 d4 | (cd) (cA) (GF) (GA) |"^Min" F6 || c2 | 
"^cr" f3 g (ag) (fe) |"^cr" f3 c A2 (GF) | f2 c2 (dc) (BA) |"^min." G6 C2 |"^cr" F3 G (AG) (FE) | 
 D4 d4 | (cd) (cA) (GF) (GA) |"^min" F6 |]  