Develop musical pieces adhering to the outlined composition guidelines.
'Sectional: Through Composed'  
X:1
L:1/8
Q:1/4=120
M:6/8
K:G
"^With expression" D/D/ | D>EF GAB | c>ed cBA | BGE DEG | B>cA G2 || D | (DEF) (GAB) | 
 (ced) (cBA) | (BGE) (DEG) | (B{d}cA) G2 |] | c/c/ | BGB dBd | e>dc dBG | G>Bd efg | G>AG GE || 
 D/D/ | cec BdB | A>GA BGE/E/ | GFE (D<d)c | B>cA G2 |]  