Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
Q:1/2=100
M:2/2
K:D
['AG fefd GBAG']  
X:1
L:1/8
Q:1/2=100
M:2/2
K:D
|:"^A" AG |"D" FEFD"^/" fefd |"A" cAGF"Em" GBAG |"D" GFED"A" CDEF |"Em" G2 E2"A7" E2 AG | 
"D" FEFD"^/" fefd |"A" cAGF"Em" GBAG |"D" GFED"A7" CDEG |"D" F2 D2"^/" D2 ::"^B" A2 | 
"D" d3 e"^/" dfed |"A" c2 A2"^/" A2 B2 |"C" =c3 d"^/" cedc |"G" B2 G2"^/" G2 AG | 
"D" FEFD"^/" fefd |"A" cAGF"Em" GBAG |"D" GFED"A7" CDEG |"D" F2 D2"^/" D2 ::"^C" FG | 
"D" AFDF"^/" AFDF |"D" AGFE"^/" D2 EF |"C" GE=CE"^/" GECE |"C" GFED"^/" =C2 AG |"D" FEFD"^/" fefd | 
"A" cAGF"Em" GBAG |"D" GFED"A7" CDEG |"D" F2 D2"^/" D2 :|  