Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
Q:3/8=90
M:4/4
K:G
['G2 c', 'cGE cGE', 'def gdB', 'ff/f/ fa', 'F3 A/B/ c>dc>A cc/c/ cf f>gfa g3']  
X:1
L:1/8
Q:3/8=90
M:4/4
K:G
|: G2 c (B/c/)dB | G2 c B2 A | G2 c (B/c/)dB | AFD AFD | G2 c (B/c/)dB | G2 c B2 A | cec BdB | 
 AFD AFD :: GAB cGE | cGE cGE | GAB cGE | AFD AFD | GAB cGE | cGE cGE | cde dBG | AFD AFD :: 
 def gdB | gdB gdB | def gdB | AFD AFD | def gdB | gba gdB | (c/d/e)c (B/c/d)B | AFD AFD :: 
[M:2/4][K:F][Q:1/4=90] c | ff/f/ fa | ff/f/ fa | fgfe | G3 A | FF/F/ FA | FF/F/ Ff | A2 G2 | F3 :: 
 A/B/ | c>dc>A | cc/c/ cf | f>gfa | g3 f/g/ | a/a/a af | g/g/g gc | A2 G2 | F3 :|  