Develop a musical piece by utilizing the alphabet-based notation of the selected musical form and the provided melodic idea.
X:1
L:1/8
M:6/8
K:Bdor
['B3 B2', 'B3 B2']  
X:1
L:1/8
M:6/8
K:Bdor
|: B3 BAB | d3 e3 | f3 fef | a3 b3 | afe d2 f | ecB ABc | d3 cBA |1 B3 B2 A :|2 B3 B2 f |: b3 baf | 
 a2 f afa | b3 baf | a3 b3 | afe d2 f | ecB ABc | d2 B cBA |1 B3 B2 f :|2 B3 B2 A ||  