Create a composition following the given musical structure and theme.
X:1
L:1/8
Q:1/4=120
M:4/4
K:Bb
['d dcBB B2 B2 dccd cdfg edcB', 'f fgab gfed fgab{a} g2 f2 f>gb>g'  
X:1
L:1/8
Q:1/4=120
M:4/4
K:Bb
"^Slow" d | dcBB B2 B2 | dccd cdfg | edcB B3 f | f>gb>g gfdB |{d} c2 B>B B3 :| f | fgab gfed | 
 fgab{a} g2 f2 | f>gb>g gfdB | dccd c>dg>f | edcB B3 d | f>gbg{g} f2 dB |{d} c2 B>B B3 ||  