Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
M:34/44
K:G
['[BG]2 [GD]2 [BG]4'  
X:1
L:1/8
M:34/44
K:G
 [GB,][AD] |"G" [BG]2 [GD]2 [BG]4 | [dB]2 [BG]2 [dB]4 |"D7" [cA]2 [FA][ec] [dB][cA] | 
"G" [BG][cA] [BG][AF] [GE][AF]"^I" |"G" [BG]2 [GD]2 [BG]4 | [dB]2 [BG]2 [dB]4 | 
"D7" [cA][BG] [AF][ec] [dB][cA] |"G" [BG]2 z2 :: [GD][BG] |"G" [dB]2 [BG]2 [dB]4 | 
"D7" [cA]2 [AF]2 [cA]4 |"G" [BG]2 [GD]2 [BG]4 |"D7" [AF]2 [FD]2 [AF]4 |"G" [BG]2 [GD]2 [BG]4 | 
 [dB]2 [BG]2 [dB]4 |1"D7" [cA][BG] [AF][ec] [dB][cA] |"G" [BG]2 z2 :|2 
"D7" [ec][dB] [^c^A][dB] [e=c][fc] |"G" [gB]2 z2 :|  