Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
M:2/4
K:D
['D2 FD/F/ AF/A/ dF AG GE', 'AG-GE BA'  
X:1
L:1/8
M:2/4
K:D
 D2 FD/F/ | AF/A/ dF | AG GE | BA FA | D2 FD/F/ | AF/A/ dF | AG GE | ED DA :| AG-GE | BA F>A | 
 AG-GE | BA FA | DA,/D/ FD/F/ | AF/A/ dF | AG GE | ED D2 :|  