Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/16
M:2/4
K:Bmin
['BBBc Bcde f2B2', 'd2>e2 d2>A2 defg', 'dedc BcBA Bcde', 'dBBB fBBB dBBB']  
X:1
L:1/16
M:2/4
K:Bmin
 f2 | BBBc Bcde | f2B2 c2Bc | AAAc ABcd | efed c2BA | BBBc Bcde | f2B2 c2BA | A<Aag fedc | 
 c2>B2 B4 :: c2 | d2>e2 d2>A2 | defg a2>A2 | cAAA eAAA | cAAA e2dc | d2>e2 d2>A2 | defg a2A2 | 
 A<Aag fedc | c2B2 B2 :: c2 | dedc BcBA | Bcde f2ed | cAAA eAAA | cAAA e2dc | dedc BcBA | 
 Bcde f2ef | A<Aag fedc | c2B2 B2 :| c2 | dBBB fBBB | dBBB f2ed | cAAA eAAA | cAAA e2dc | 
 dBBB fBBB | dBBB f2ef | A<Aag fedc | c2B2 B2c2 | dBBB fBBB | dBBB f2ed | cAeA fAeA | cdef e2dc | 
 dedc BcBA | Bcde f2ef | A<Aag fedc | c2B2 B2 ||  