Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
Q:1/2=50
M:2/2
K:C
['(CD) E2 D2 (EG) G2 (cG) A2']  
X:1
L:1/8
Q:1/2=50
M:2/2
K:C
 (CD) |"C" E2 (DC)"G" D2 (EG) |"F" A4"C" G2 (cG) |"F" A2 (GE)"G" D3 C |"C" C4 z2 (CD) | 
"C" E2 (DC)"G" D2 (EG) |"F" A4"C" G2 (cG) |"F" A2 (GE)"G" D3 C |"C" C4 z2 G2 | 
"Em" c2 (BG)"Am" A2 c2 |"G" B4"C" G2 EG |"F" A2 (GE)"D" (GA)(cd) |"C" c4 z2 (CD) | 
"C" E2 DC"G" D2 (EG) |"F" A4"C" G2 (cG) |"F" A2 (GE)"G" D3 C |"C" C4 z2 |]  