Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:4/4
K:G
['abaf d2 Bd'  
X:1
L:1/8
M:4/4
K:G
 (3DEF |"G" G2 GA BGBd |"C" efge"G" dBAG |"Am" EAAG ABAG |"Am" EAAG"D7" AcBA |"G" GFGA BGBd | 
"C" efge"G" dBAG |"C" EGGF GAGE |"D7" DGGF"G" G2 :: ga |"G" b2 bg"D7" abaf |"C" gage"G" d2 Bd | 
"Am" eaag abag |"Am" eaag"D7" a2 ga |"G" babg"D7" abaf |"C" gage"G" d2 Bd |"C" eggf gage |1 
"D7" dggf"G" g2 :|2"D7" dgga gedB ||  