Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/8
M:6/8
K:Bmin
['BAF BAF', 'd2 (e f)dB'  
X:1
L:1/8
M:6/8
K:Bmin
 (d/c/) | BAF BAF | BAF B2 c | dc(B{d} B)AB |{d} cAF F2 (d/c/) | BAF BAF | BAF B2 c | dcB ce(c | 
{d} c)BB B2 :| c | d2 (e f)dB |{d} c2 (d e)cA | d2 (e f)dB | cd(c{d} c)BB | d2 e fdB | c2 d ecA | 
 faf edc | dBB B2 :|  