Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/4
M:3/4
K:Emin
['F G', 'B G']  
X:1
L:1/4
M:3/4
K:Emin
 B2 G | E3/2 F/ G | A A/G/F/E/ | D E F | G F G | A _G A | B ^A B | A3 | B2 G | E F G | A A/G/F/E/ | 
 D E F | G F G | A _G A | B _B A |1 G3 :|2 G3/2 F/G/E/ |: D2 G | E c B | A d c | B3/2 A/G/E/ | 
 D2 G | E c B | A G F |1 G3/2 F/G/E/ :|2 G2 A |: |1 !>!B G E G B G | B G E G B G | c A F D F A | 
 c A F D F A | B G E G B G | B G E G B G | c A F D F A ||1 G4 A2 :|  