Produce a musical arrangement that complies with the dictated structure and the suggested theme.
X:1
L:1/8
Q:1/2=84
M:2/2
K:Bb
['B3 c d3 e (3fgf (3edc B2', 'F2 f2 fedc =B_aga =B_aga gfed edcB'  
X:1
L:1/8
Q:1/2=84
M:2/2
K:Bb
"^qu.in ms" F2 | B3 c d3 e | (3fgf (3edc B2 (3fga | b>fd>B c>=Bc>d | egec BAGF | B3 c d3 e | 
 (3fgf (3edc B2 f2 | g>ba>c' b>=ef>d | (3cdc (3BAG F2 :: f2 | fedc =B_aga | =B_aga gfed | 
 edcB Ag^fg | Ag^fg =fedc |"^triplet signs added" (3dbb (3caa (3Bgg (3Aff | 
 (3Gee (3Fdd (3Ecc (3DBB | d>fd>B F>ec>A | B2 B2 B2 :|  