Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/4
Q:3/4=120
M:6/4
K:Dmix
['d3/2 e/ f', 'F2 G'  
X:1
L:1/4
Q:3/4=120
M:6/4
K:Dmix
"_could be in D maj?" A | d3/2 e/ f d3/2 e/ f | d3- d2 A | d3/2 e/ f d3/2 e/ f | d3- d2 e | 
 f2 e d2 c | B3 A3 | A2 F A2 G | F6 || F2 G A2 A | B2 A d2 D | F2 G A3/2 G/ F | E2 D D3 | 
 F2 G A2 A | B2 A d2 D | F2 G A3/2 G/ F | E2 D D2 :|  