Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
Q:1/4=100
M:6/8
K:G
['(B/c/d)(c B)GB', 'B>AG GDG']  
X:1
L:1/8
Q:1/4=100
M:6/8
K:G
 (B/c/d)(c B)GB | cAc BGB | (B/c/d)(c B)GB | AFG ABc | (B/c/d)(c B)GB | cAc BGB | gfe dcB | 
 AFG ABc :: B>AG GDG | BGB gdc |"^tr" B>AG GDG | AFG ABc |"^tr" B>AG GDG | BGB gdB | efg dcB | 
 AFG ABc :|  