Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:4/4
K:F
['de f2 c2 cd', 'GA B2 B>c B2 cd e2 B2', 'c2 c2', 'd(e/f/) gd (d/e/d/)c/ B2 G2 eee (d/c/)', 'd(e/f/) gd d/e/d/c/ [GB]2']  
X:1
L:1/8
M:4/4
K:F
 F2 FG A2 AB | c2 c2 c2 de | f2 c2 cd c B | A4 F2 z2 | F2 FG A2 A B | c2 c2 de | 
"^alternate" cB cd de | f2 c2 cd cB | A4 F2 z2 | (d2 d2) d2 cB | (A2 c2) c2 de | f2 c2 cd cB | 
 (A6 F2) z2 B2 | d2 d2 d2 c B | A2 c2 c2 de |"^Alternate" AG AB de | f2 c2 cd cB | (A4 F2) z2 |] 
[M:4/4][K:Eb] E2 E>F E2 GA | B2 B>c B2 cd | e2 B2 Bc BA | G4 E4 :| B | c2 c2 c2 BA | GA Bc B2 cd | 
 e2 B2 Bc BA | G2 E4 z2 :|[M:2/4][K:G] G>ABc | dd d(e/f/) | gd (d/e/d/)c/ | B2 G2 :: eee (d/c/) | 
 B/(c/d/)e/ d(e/f/) | gd d/e/d/c/ | [GB]2 G2 :|  