Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:2/2
K:G
['(BA) Bdef'  
X:1
L:1/8
M:2/2
K:G
"Bm" D2 (BA) Bdef |"Bm" deBd"D" AFDF |"Em" E2 (BA) Bdef |"D" dBAF"Em" BEE z |"Bm" D2 (BA) Bdef | 
"Bm" deBd"D" AFDF |"Em" E2 (BA) Bdef |"D" gefd"Em" (Be)e z |]"Em" eB- B2 efge |"D" fdad bdad | 
"Em" eB- B2"G" efge |"D" fedf"Em" e2 (ef) |"Em" eBBB efge |"D" fdad bdad |"Em" gafg"G" egfe | 
"D" dBAF"Em" (BE)E z |]  