Create compositions following the given structural principles.
Only One Section  
X:1
L:1/8
Q:1/4=140
M:2/2
K:G
 B2 d4 ef | g2 d4 ef | g2 d4 c2 | B3- B/4 G3- G/4 | c2 e4 dc | B2 d4 cB | A2 G2 AB cA | 
 B3- B/4 G3- G/ |]  