Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
M:4/4
K:G
['G>G d>B', 'TB>GB>d c>ed>B'  
X:1
L:1/8
M:4/4
K:G
 c | Td2 Bd G>G d>B | c>eB>d e>AA>e | Td2 B>d G>G d>B | c>eTd>A BGG :| c | TB>GB>d c>ed>B | 
 c>eB>d e>AAc | TB>GB>d c>ed>B | c>eB>g B>GGc | TB>G B>d c>ec>B | c>eB>d e>AAc | 
 TB>G (3Bcd (3def g>B | c>e Td>A BGG ||  