Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:4/4
K:G
['dg (3gfe dBed BGDG ABAG FGAB cdef', '(3GBd (3gdB G2'  
X:1
L:1/8
M:4/4
K:G
 dg (3gfe dBed | BGDG ABAG | FGAB cdef | (3gba (3gfe d2 Bc | dg (3gfe dBed | BGDG ABAG | 
 FGAB cdef |1 gfga g2 Bc :|2 gfga g2 ef |: gbag fagf | ef (3gfe fdBd | gbag fagf | ef (3gfe fdBd | 
 (3cdc Ac (3BdB GB | (3AcA EA GFEF | DEFG AB (3cBA |1 (3GBd (3gdB G2 ef :|2 (3GBd (3gdB G2 Bc ||  