Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
M:6/8
K:G
['B2 G', 'G cde fdf ece dBG c3'  
X:1
L:1/8
M:6/8
K:G
 G | cec"^tr" B2 G | cec dBG |"^tr" d3"^tr" B2 G | cec"^tr" B2 G | cec dBG | c3 G2 :: G | cde fdf | 
 ece dBG | c3 G2 G | cde fdf | ece dBG |"^tr" c3 G2 :|  