Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:4/4
K:Gmin
['BAGF DFGA']  
X:1
L:1/8
M:4/4
K:Gmin
|:"Gm" BAGF DFGB |"F" AFcF dFcF |"Gm" BAGF DFGA |"F" BABc"Gm" dgga |"Gm" bgaf gdd=e | 
"F" fdcB AFFA |"Eb" BAGF DFGA |1"Cm" (3Bcd cA"Gm" BG G2 :|2"Cm" (3Bcd cA"Gm" BGGF |: 
"Gm" G2 g2 gagf |"F" F2 f2 fgfe |"Eb" E2 g2 E2 ga |"Cm" bgaf"Gm" dgga |"Gm" bgaf gdd=e | 
"F" fdcB AFFA |"Eb" BAGF DFGA |1"Cm" (3Bcd cA"Gm" BGGF :|2"Cm" (3Bcd cA"Gm" BG G2 |]  