Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/16
Q:1/4=100
M:2/4
K:Bb
['BABc B2d2 f=efg f2d2', 'b2b2a2a2 g2g2f2f2']  
X:1
L:1/16
Q:1/4=100
M:2/4
K:Bb
 F2 | BABc B2d2 | f=efg f2d2 | ._e.g.e.c .A.c.A.F | (BABc) B2F2 | BABc B2d2 | f=efg f2d2 | 
 _egec .A.c.A.F | (BABc) B4 || !fermata!d2d2f2f2 | B2B2d2d2 | G2G2B2B2 | F2F2F2 F2 | BABc B2d2 | 
 f=efg f2d2 | egec .A.c.A.F | (BABc) B2 (3cde | b2b2a2a2 | g2g2f2f2 | gabg =ecde | f=ede fgaf | 
 b2b2a2a2 | g2g2f2f2 | gab"^*"g =ecde | f2f2f2 z2S |]  