Design musical compositions that conform to the indicated framework and encompass the proposed musical concept.
X:1
L:1/8
M:4/4
K:G
['dB B2', 'G2 BG'  
X:1
L:1/8
M:4/4
K:G
 dB B2 dBGB | dB B2 ABcA | dB B2 dBGB | cABG ABcA :| G2 BG DGBG | G2 BG ABcA | G2 BG DGBG | 
 cABG ABcA :|  