Generate harmonious tunes by incorporating the specified letter-based framework and the presented motif.
X:1
L:1/8
Q:1/4=120
M:4/4
K:Emin
['B>A G2 F>G E2 e>f gfe^d e2', 'g>a b2 ag g>ab G Bded cBAG']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:Emin
"^Andante Express." B>A | G2 F>G E2 e>f | gfe^d e2 =dc | cBAG A2 Bd | e2 de B2 ga | bage dege | 
 d<BAG A2 g>f |{f} e2 dc BeBA | G2 F2 E2 || g>a | b2 ag g>ab G | Bded cBAG | egfa gaba | 
 gfe^d e2 e3/2f/8g/4 | B2 Bd edBg | d<BAG A2 B>d | eBge Be d/c/B/A/ | G2 F2 E2 ||  