Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/16
Q:1/4=90
M:2/4
K:D
['B4 B4', 'B8 (c3d/c/) (A3B/A/) F2E2 F2G2 B3(c/B/) A3(B/A/)'  
X:1
L:1/16
Q:1/4=90
M:2/4
K:D
|: B4 B4 | B4 ^A2B2 | c4 c4 | ^A2c2 c2{d}c2 | B8 :: (c3d/c/) (A3B/A/) | F2E2 F2G2 | 
 B3(c/B/) A3(B/A/) | F8 :|  