Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:4/4
K:G
['', 'G2 GF GABc dgge dB B2 g2', 'E3 D E2']  
X:1
L:1/8
M:4/4
K:G
 D/E/F |: G2 GF GABc | dgge dB B2 | g2 ge dBGA | B2 AB AGEF | G2 GF GABc | dgge dB B2 | 
 g2 ge dBGA |1 B2 AF G2 D/E/F :|2 B2 AF G2 BA |:[K:Emin] G2 E2 EFGA | BGAB E2 AG | F2 D2 DEFG | 
 AGFA D2 BA | GAGF EFED | B,2 E2 E2 EF | EDEF GFED |1 E3 D E2 BA :|2 E3 D E2 D/E/F ||  