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:2/2
K:G
['DB{c}B^A B2{c} B=A GA Bcd eBdB AGEG', 'f2{g} fd']  
X:1
L:1/8
M:2/2
K:G
 DB{c}B^A B2{c} B=A | GA Bcd eBdB | AGEG A2 (3Bcd | eB B2 gB B2 | GB{c}B^A B2 B=A | GABd (3efe dB | 
 GB B2 A2 GA | BGAG EG G2 :: f2{g} fd edBd | edgd edBd | f2{g} fd ed (3Bcd | ea a2 ea{b}ag | 
 f2 df edBd | gage d2 BA | GABG (3ABA GA | BGAG EG G2 :|  