Construct a piece of music using the designated motif as the basis, while ensuring the required form is followed.
X:1
L:1/8
M:2/4
K:G
['cA fe ed'  
X:1
L:1/8
M:2/4
K:G
|: B/c/ |"G" dB eB |"D7" dc cB/c/ |"D" cA fe |"G" ed de/f/ |"G" gf/g/ ag |"D7" gf fA/B/ | 
"D" cA fe |"G" ed dB/c/ |"G" dB eB |"D7" dc cB/c/ |"D" cA fe |"G" ed de/f/ |"G" gf/g/ ag | 
"D7" gf fe |"D" dd ef |"G" ag g ::[K:D] A |"D" f3 A |"D" f3 g |"Em" fe eB |"Em" e3 d |"A7" dc cB | 
"A7" c3 A |"A7" BA AF |"D" A3 F ||"D" f3 A |"D" f3 g |"Em" fe eB |"Em" e3 d |"A7" dc cB | 
"A7" AA Bc |"A7" ed dc |"D" d3 :|  