Construct musical compositions utilizing the given motif within the outlined structure.
X:1
L:1/4
Q:1/4=120
M:6/4
K:C
['z G c B G E F3/2', 'C F3/2 G/'  
X:1
L:1/4
Q:1/4=120
M:6/4
K:C
 z G c B G E | F3/2 G/ E D2 D | z G c B G E | F3/2 E/ D C2 C || F3/2 G/ F E3/2 D/ C | 
 F3/2 G/ A D2 D | z G c B G E | F3/2 E/ D C2 C |]  