Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:Dphr
['(3FGA (3GFE DE F2']  
X:1
L:1/8
M:4/4
K:Dphr
|:"^A" DGA |"Gm" B4- BDGA | B4- BDGA | B2 (3BAG A2 (3AGF |"D7" F4- FDFG |"D" A4- ADFG | A4- ADFG | 
 A2 c2 (3cBA (3BAG |1"Cm" (3FGA (3GFE"D" D :|2"Cm" (3FGA (3GFE"D" D4 :|"B" |:"D" DE FG AB cd | 
"Cm" e4- eedc |"Gm" d4- ddcB |"D" c4- ccBA |"Eb" B8 |"D" ADFA"Gm" G2 z2 |"D" ADFA"Gm" GGAB | 
"D" (3cBA"Gm" (3BAG"D" (3AGF"Cm" (3GFE |"D" D8 :|"C" |:"D" (3FGA (3GFE DE F2 | z D FG (3AGF (3GFE | 
"D" (3FGA (3GFE DE F2 |1 (3AGF (3GFE D2{c} d2 :|  